Saito Masatoshi 齋藤正敏

… Alternative Names

齋藤正敏サイトウマサトシ

SAITO Masatoshi 齋藤正敏

斎藤正敏サイトウマサトシ

斉藤正敏サイトウマサトシ

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Researcher Number	40241583
Other IDs
Affiliation (Current)	2025: 新潟大学, 医歯学系, 教授
Affiliation (based on the past Project Information) *help	2023: 新潟大学, 医歯学系, 教授 2010 – 2021: 新潟大学, 医歯学系, 教授 2007: Nigata University, Faculty of Medicine, Associate Professor 2000 – 2006: 新潟大学, 医学部, 助教授 1993 – 1998: 東北大学, 素材工学研究所, 助手
Review Section/Research Field	Principal Investigator Physical properties of metals / Basic Section 52040:Radiological sciences-related / Medical Physics and Radiological Technology / Radiation science / Medical Physics/Radiological Technology Except Principal Investigator Physical properties of metals / Metal making engineering / Physical properties of metals / エネルギー学一般・原子力学
Keywords	Principal Investigator dual-energy CT / electron density / treatment planning / X線異常散乱法 / 全反射 / 非晶質 / density / Monte Carlo simulation / mass density / デュアルエネルギーＣＴ … More / 阻止能比 / 粒子線治療 / stopping power ratio / 放射線 / Total Reflection / Amorphous / Anomalous X-ray Scattering / Phase Change Recording Material / 相変化記録材料 / 逆モンテカルロ法 / 価電子密度分布 / 液体金属 / 水溶液 / 水銀界面 / 水 / 液体表面・界面 / エネルギー分散型 / 斜入射X線反射率法 / 表面・界面 / 斜入射X線反射 / X線異常散乱 / 数密度 / 薄膜 / AXS / 白金硫化物 … More Except Principal Investigator X線異常散乱 / その場構造解析 / 原子配列 / リバースモンテカルロ法 / X線構造解析 / オキシ水酸化鉄 / 局所構造 / 局所構造解析 / X線異常散乱法 / 超イオン伝導ガラス / In situ structural analysis / Atomic arrangements / Reverse Monte-Carlo simulation / X-ray anomalous scattering / X-ray structural analysis / Iron oxyhydroxides / Structure / Melt / High Temperature / Alumina / Energy Dispersive / X-ray Diffraction / 超高温試料加熱装置 / 水平型X線ゴニオメータ / アルミナ系超高温酸化物融液 / 高温 / エネルギー分散型X線回折法 / 融体 / 酸化物 / アルミナ系融体 / 動径分布関数 / X線回折 / 水酸化鉄 / 酸化鉄 / 構造相転移 / 自己組織化 / 異常X線散乱 / 斜入射X線異常反射率法 / ジルコニア / 全反射X線回折法 / 表面 / 超塑性 / モリブデン酸銀 / 沃化銀 / 多層膜 / 微細構造 / 小角散乱 / ランタノイド / アクチノイド / 硫化物 / 窒化物 / 核分裂生成物 / 核燃料 / ウラン Less

高精度モンテカルロ線量計算のためのデュアルエナジーCT値－物理密度変換法の開発Principal Investigator
- Principal Investigator
  
  齋藤正敏
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Niigata University
A simple derivation of stopping power ratio in the human body from dual-energy CT dataPrincipal Investigator
- Principal Investigator
  
  Saito Masatoshi
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Niigata University
Simplified phantom for electron density calibration by dual-energy CTPrincipal Investigator
- Principal Investigator
  
  Saito Masatoshi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical Physics and Radiological Technology
- Research Institution
  Niigata University
Conversion of the energy-subtracted CT number to electron density based on a single linear relationshipPrincipal Investigator
- Principal Investigator
  
  Saito Masatoshi
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Radiation science
- Research Institution
  Niigata University
Dual-energy CT for electron density measurements using clinical x-ray sourcePrincipal Investigator
- Principal Investigator
  
  SAITO Masatoshi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical Physics/Radiological Technology
- Research Institution
  Niigata University
Short-range and Middle-range Ordering
- Principal Investigator
  
  WASEDA Yoshio
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Metal making engineering
- Research Institution
  Tohoku University
FeO_6八面体をユニットとするオキシ水酸化物の自己組織化と構造相移転
- Principal Investigator
  
  早稲田嘉夫
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University
X線異常散乱を利用する液体金属の価電子密度分布の実験的導出Principal Investigator
- Principal Investigator
  
  齋藤正敏
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Physical properties of metals
- Research Institution
  Niigata University
Structural Study of Reversible Phase Change Recording Materials by Anomalous Garzing Incidence X-ray ScatteringPrincipal Investigator
- Principal Investigator
  
  SAITO Masatoshi
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Physical properties of metals
- Research Institution
  Niigata University
先端的X線解折手法によるセラミックスのガラス相誘起超塑性変形の解明
- Principal Investigator
  
  早稲田嘉夫
- Project Period (FY)
  1997
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tohoku University
斜入射X線異常反射率法による液体金属表面・界面の深さ方向密度分布の精密決定Principal Investigator
- Principal Investigator
  
  齋藤正敏
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University
広角及び小角X線異常散乱法による沃化銀系超イオン伝導ガラスの構造解析
- Principal Investigator
  
  早稲田嘉夫
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tohoku University
斜入射X線異常反射率法による基板上薄膜の深さ方向密度プロファイル決定Principal Investigator
- Principal Investigator
  
  齋藤正敏
- Project Period (FY)
  1996
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University
広角および小角X線異常散乱法によるハロゲン化銀およびハロゲン化銅系超イオン伝導ガラスの構造解析
- Principal Investigator
  
  WASEDA Yoshio
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Tohoku University
X線異常小角散乱装置の試作および巨大磁気抵抗効果の解明
- Principal Investigator
  
  早稲田嘉夫
- Project Period (FY)
  1995
- Research Category
  
  Grant-in-Aid for Developmental Scientific Research (B)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University
Structural Analysis of Al_2O_3 Based High Temperature Melts
- Principal Investigator
  
  WASEDA Yoshio
- Project Period (FY)
  1994 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Physical properties of metals
- Research Institution
  Institute for Advanced Materials Processing
窒化ウラン燃料とFP金属との反応生成物に関する結晶学的ならびに熱力学的研究
- Principal Investigator
  
  藤野威男
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  エネルギー学一般・原子力学
- Research Institution
  Tohoku University
層構造白金族ダイカルコゲナイドの2次元的電気伝導及び磁気的性質に関する研究Principal Investigator
- Principal Investigator
  
  斎藤正敏
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Physical properties of metals
- Research Institution
  Tohoku University

All 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 Other

All Journal Article Presentation

[Journal Article] Quadratic relation for mass density calibration in human body using dual‐energy CT data2021
- Author(s)
  Saito Masatoshi
- Journal Title
  
  Medical Physics
  
  Volume: 48 Issue: 6 Pages: 3065-3073
- DOI
  10.1002/mp.14899
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K08168
[Journal Article] Proton dose calculation based on converting dual-energy CT data to stopping power ratio (DEEDZ-SPR): a beam-hardening assessment2020
- Author(s)
  Tanaka Sodai、Noto Yoshiyuki、Utsunomiya Satoru、Yoshimura Takaaki、Matsuura Taeko、Saito Masatoshi
- Journal Title
  
  Physics in Medicine & Biology
  
  Volume: 65 Issue: 23 Pages: 235046-235046
- DOI
  10.1088/1361-6560/abae09
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K08168
[Journal Article] Simulation of photon-counting detectors for conversion of dual-energy-subtracted computed tomography number to electron density2019
- Author(s)
  Saito Masatoshi
- Journal Title
  
  Radiological Physics and Technology
  
  Volume: 12 Issue: 1 Pages: 105-117
- DOI
  10.1007/s12194-018-00497-0
- NAID
  130007919661
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K09011
[Journal Article] Simplified derivation of stopping power ratio in the human body from dual-energy CT data2017
- Author(s)
  Saito Masatoshi、Sagara Shota
- Journal Title
  
  Medical Physics
  
  Volume: 44 Issue: 8 Pages: 4179-4187
- DOI
  10.1002/mp.12386
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K09011
[Journal Article] A simple formulation for deriving effective atomic numbers via electron density calibration from dual-energy CT data in the human body2017
- Author(s)
  Saito Masatoshi、Sagara Shota
- Journal Title
  
  Medical Physics
  
  Volume: 44 Issue: 6 Pages: 2293-2303
- DOI
  10.1002/mp.12176
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K09011
[Journal Article] Technical Note: Relation between dual-energy subtraction of CT images for electron density calibration and virtual monochromatic imaging2015
- Author(s)
  Masatoshi Saito
- Journal Title
  
  Medical Physics
  
  Volume: 42 Issue: 7 Pages: 4088-4093
- DOI
  10.1118/1.4921999
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25461908
[Journal Article] Initial implementation of the conversion from the energy-subtracted CT number to electron density in tissue inhomogeneity corrections: An anthropomorphic phantom study of radiotherapy treatment planning2015
- Author(s)
  Masayoshi Tsukihara, Yoshiyuki Noto, Ryuta Sasamoto, Takahide Hayakawa and Masatoshi Saito
- Journal Title
  
  Medical Physics
  
  Volume: 42 Issue: 3 Pages: 1378-1388
- DOI
  10.1118/1.4908207
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25461908
[Journal Article] Technical Note: Exploring the limit for the conversion of energy-subtracted CT number to electron density for high-atomic-number materials2014
- Author(s)
  Masatoshi Saito, Masayoshi Tsukihara
- Journal Title
  
  Medical Physics
  
  Volume: 41 Issue: 7 Pages: 071701-071701
- DOI
  10.1118/1.4881327
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25461908
[Journal Article] Conversion of the energy-subtracted CTnumber to electron density based on a single linear relationship: an experimental verification using a clinical dual-source CT scanner Phys2013
- Author(s)
  Masayoshi Tsukihara, Yoshiyuki Noto, Takahide Hayakawa and Masatoshi Saito
- Journal Title
  
  Med. Biol
  
  Volume: 58(9) Issue: 9 Pages: N135-N144
- DOI
  10.1088/0031-9155/58/9/n135
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22611007
[Journal Article] Potential ofdual-energy subtraction for converting CT numbers to electron density based on a single linear relationship Med2012
- Author(s)
  Masatoshi Saito
- Journal Title
  
  Phys
  
  Volume: 39(4) Issue: 4 Pages: 2021-2030
- DOI
  10.1118/1.3694111
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22611007
[Journal Article] Optimized low-kV spectrum of dual-energy CT equipped with high-kV tin filtration for electron density measurements Med2011
- Author(s)
  Masatoshi Saito
- Journal Title
  
  Phys
  
  Volume: 38(6) Issue: 6Part1 Pages: 2850-2858
- DOI
  10.1118/1.3584200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22611007
[Journal Article] Technical note: Optimization for improved tube- loading efficiency in the dual-energy computed tomography coupled with balanced filter method Med2010
- Author(s)
  Masatoshi Saito
- Journal Title
  
  Phys
  
  Volume: 37(8) Issue: 8 Pages: 4182-4185
- DOI
  10.1118/1.3467754
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22611007
[Journal Article] Technical note : Optimization for improved tube-loading efficiency in thedual-energy computed tomography coupled with balanced filter method2010
- Author(s)
  Masatoshi Saito
- Journal Title
  
  Medical Physics
  
  Volume: 37 Pages: 4182-4185
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22611007
[Presentation] A simple formulation for deriving stopping power ratio in the human body from dual-energy CT data2018
- Author(s)
  Masatoshi Saito and Shota Sagara
- Organizer
  日本医学物理学会第115回学術大会
- Data Source
  KAKENHI-PROJECT-16K09011
[Presentation] A simple formulation for deriving effective atomic numbers via electron density calibration from dual-energy CT data in the human body2018
- Author(s)
  Shota Sagara and Masatoshi Saito
- Organizer
  日本医学物理学会第116回学術大会
- Data Source
  KAKENHI-PROJECT-16K09011
[Presentation] 電子密度校正のためのエネルギー差分CT画像と仮想単色CT画像との関係2016
- Author(s)
  齋藤正敏
- Organizer
  第111回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（神奈川県横浜市）
- Year and Date
  2016-04-14
- Data Source
  KAKENHI-PROJECT-25461908
[Presentation] Study of conversion of energy subtracted CT number to electron density using dual energy CT2013
- Author(s)
  Masayoshi Tsukihara1, Yoshiyuki Noto, Takahide Hayakawa, Masatoshi Saito
- Organizer
  日本医学物理学会第105回学術大会
- Place of Presentation
  横浜
- Year and Date
  2013-04-11
- Data Source
  KAKENHI-PROJECT-22611007
[Presentation] バランスドフィルタ法を組み合わせた2色X線CTの検討2010
- Author(s)
  齋藤正敏
- Organizer
  日本医学物理学会第99回学術大会
- Place of Presentation
  横浜
- Year and Date
  2010-04-09
- Data Source
  KAKENHI-PROJECT-22611007
[Presentation] Calculation of dose distribution in radiotherapy by conversion of energy subtracted CT number to electron density with dual energy CT
- Author(s)
  Masayoshi Tsukihara, Yoshiyuki Noto, Takahide Hayakawa, Masatoshi Saito
- Organizer
  日本医学物理学会第107回学術大会
- Place of Presentation
  パシフィコ横浜（横浜市西区）
- Data Source
  KAKENHI-PROJECT-25461908

1. WASEDA Yoshio (00006058)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
2. SUZUKI Shigeru (40143028)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. Hayakawa Takahide (00377194)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
4. SAKAMOTO Makoto (80215657)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. TAKAHASHI Hideyuki (90312652)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. KANIE Kiyoshi (60302767)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. SHINODA Kozo (10311549)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 藤野威男 (20229024)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 佐藤修彰 (70154078)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 杉山和正 (40196762)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 表和彦

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Saito Masatoshi 齋藤 正敏

齋藤 正敏 サイトウ マサトシ

SAITO Masatoshi 齋藤 正敏

斎藤 正敏 サイトウ マサトシ

斉藤 正敏 サイトウ マサトシ

Research Projects

Research Products

Co-Researchers

高精度モンテカルロ線量計算のためのデュアルエナジーCT値－物理密度変換法の開発Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A simple derivation of stopping power ratio in the human body from dual-energy CT dataPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Simplified phantom for electron density calibration by dual-energy CTPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Conversion of the energy-subtracted CT number to electron density based on a single linear relationshipPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Dual-energy CT for electron density measurements using clinical x-ray sourcePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

X線異常散乱を利用する液体金属の価電子密度分布の実験的導出Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Structural Study of Reversible Phase Change Recording Materials by Anomalous Garzing Incidence X-ray ScatteringPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Institution

斜入射X線異常反射率法による液体金属表面・界面の深さ方向密度分布の精密決定Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Institution

斜入射X線異常反射率法による基板上薄膜の深さ方向密度プロファイル決定Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Saito Masatoshi 齋藤正敏

齋藤正敏サイトウマサトシ

SAITO Masatoshi 齋藤正敏

斎藤正敏サイトウマサトシ

斉藤正敏サイトウマサトシ