HOSHI Akio 星明男

Researcher Number	10334294
Other IDs	https://orcid.org/0000-0003-0167-8414
Affiliation (Current)	2026: 学習院大学, 国際社会科学部, 教授
Affiliation (based on the past Project Information) *help	2024 – 2025: 学習院大学, 国際社会科学部, 教授 2017 – 2024: 学習院大学, 国際社会科学部, 准教授
Review Section/Research Field	Principal Investigator Basic Section 05060:Civil law-related / Civil law Except Principal Investigator Medium-sized Section 5:Law and related fields
Keywords	Principal Investigator スタートアップ企業 / ベンチャーキャピタル / 取締役の善管注意義務 / 会社法 / バリュエーション / 非上場株式 / サンセット / 複数議決権株式 / 株主アクティビズム / 資本規制 … More / Up-C / パススルー課税 / 分配規制 / 資本維持 / 譲渡制限株式の評価 / 買収防衛策 / ポイズン・ピル / 同意なき買収 / 裁判所による価格決定 / 譲渡制限株式 / 契約 / M&A / 民事法学 / 補償 / 表明保証 / 法人の主観的認識 / 契約解釈の手法 / 契約解釈の方法 / M&A契約 … More Except Principal Investigator 会社法 / 政治学 / 立法学 / コーポレート・ガバナンス Less

Fiduciary Duties of Directors in Start-up FirmsPrincipal Investigator
- Principal Investigator
  
  星明男
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 05060:Civil law-related
- Research Institution
  Gakushuin University
The Backstage of Corporate Governance Reform
- Principal Investigator
  
  得津晶
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 5:Law and related fields
- Research Institution
  Hitotsubashi University
Judicial Appraisal of Unlisted SharesPrincipal Investigator
- Principal Investigator
  
  HOSHI Akio
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 05060:Civil law-related
- Research Institution
  Gakushuin University
Research on M&A contract provisionsPrincipal Investigator
- Principal Investigator
  
  HOSHI Akio
- Project Period (FY)
  2017 – 2022
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Civil law
- Research Institution
  Gakushuin University

All 2025 2024 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation Book

[Book] 神作裕之先生・藤田友敬先生還暦記念　商事法の拡がり2025
- Author(s)
  伊藤雄司、後藤元、得津晶、松元暢子、白井正和、尾崎悠一、蔡英欣、早川咲耶、笠原武朗、温笑とう、船津浩司、三宅新、星明男、松井秀征、田中亘、行岡睦彦、脇田将典、飯田秀総、津野田一馬、荒達也、松井智予、小出篤、森田果、段磊、加藤貴仁、高橋美加、榊素寛
- Total Pages
  837
- Publisher
  商事法務
- ISBN
  9784785731618
- Data Source
  KAKENHI-PROJECT-20K01373
[Book] M&A契約研究2018
- Author(s)
  藤田友敬、飯田秀総、大石篤史、倉橋雄作、関口健一、中山龍太郎、野田昌毅、星明男、松本真輔
- Total Pages
  386
- Publisher
  有斐閣
- ISBN
  9784641138001
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] 最新判例批評　会社法144条2項に基づく譲渡制限株式の売買価格決定手続においてDCF法によって算定された評価額から非流動性ディスカウントを行うことができるとされた事例2025
- Author(s)
  星　明男
- Journal Title
  
  判例時報
  
  Volume: (2620)
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] Shareholders’ Equity and Dividend Regulation in Japan: How Can Financial Reporting and Capital Maintenance Be Reconciled?2025
- Author(s)
  Hoshi Akio、Takahashi Mioko、Garcia Clemence
- Journal Title
  
  Accounting, Economics, and Law: A Convivium
  
  Volume: 15 Issue: s1 Pages: s349-s383
- DOI
  10.1515/ael-2024-0040
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K01373, KAKENHI-PROJECT-20K02020
[Journal Article] 商事判例研究(No.3548)非上場会社の少数株主キャッシュアウトにおける株式価値評価2025
- Author(s)
  星　明男
- Journal Title
  
  ジュリスト
  
  Volume: (1605) Pages: 138-141
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] The peculiar development of anti-takeover measures in Japan2024
- Author(s)
  Hoshi Akio
- Journal Title
  
  Journal of Corporate Law Studies
  
  Volume: 24 Issue: 2 Pages: 587-623
- DOI
  10.1080/14735970.2024.2444406
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] 商事判例研究（No. 3511）株式会社の解散請求2024
- Author(s)
  星　明男
- Journal Title
  
  ジュリスト
  
  Volume: (1592) Pages: 131-134
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] 公正性担保措置が十分に機能しなかったキャッシュアウトにおける「公正な価格」の算定2024
- Author(s)
  星　明男
- Journal Title
  
  ジュリスト臨時増刊
  
  Volume: (1597) Pages: 94-95
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] 「企業買収における行動指針」の検討2023
- Author(s)
  星　明男
- Journal Title
  
  旬刊商事法務
  
  Volume: (2339) Pages: 29-39
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] Doing Deals in Japan Revisited: An Updated Introductory Guide for U.S. Practitioners2023
- Author(s)
  Stephen D. Bohrer, Akio Hoshi
- Journal Title
  
  The M&A Lawyer
  
  Volume: 27(1) Pages: 8-29
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] 商事判例研究(No.3478)株式の準共有者による売買価格決定の申立て2023
- Author(s)
  星　明男
- Journal Title
  
  ジュリスト
  
  Volume: (1580) Pages: 126-129
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] 商事判例研究(No.3478)株式の準共有者による売買価格決定の申立て2023
- Author(s)
  星　明男
- Journal Title
  
  ジュリスト
  
  Volume: (1580) Pages: 126-129
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] Doing Deals in Japan Revisited: An Updated Introductory Guide for U.S. Practitioners2023
- Author(s)
  Stephen D. Bohrer, Akio Hoshi
- Journal Title
  
  The M&A Lawyer
  
  Volume: 27(1) Pages: 8-29
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] 判例評釈三ッ星新株予約権無償割当差止仮処分命令申立事件の検討2022
- Author(s)
  星　明男
- Journal Title
  
  資料版商事法務
  
  Volume: (462) Pages: 110-120
- Data Source
  KAKENHI-PROJECT-20K01373
[Journal Article] 判例評釈三ッ星新株予約権無償割当差止仮処分命令申立事件の検討2022
- Author(s)
  星　明男
- Journal Title
  
  資料版商事法務
  
  Volume: (462) Pages: 110-120
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] Interpretation of Corporate Acquisition Contracts in Japan: A Legal Transplant through Contract Drafting2021
- Author(s)
  Akio Hoshi
- Journal Title
  
  Asian Journal of Comparative Law
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] Interpretation of Corporate Acquisition Contracts in Japan: A Legal Transplant through Contract Drafting2021
- Author(s)
  Hoshi Akio
- Journal Title
  
  Asian Journal of Comparative Law
  
  Volume: 16 Issue: 1 Pages: 106-123
- DOI
  10.1017/asjcl.2021.9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] 瑕疵担保責任を排除する法人売主の悪意（東京地判平成29・10・27判批）2020
- Author(s)
  星　明男
- Journal Title
  
  ジュリスト
  
  Volume: 1550 Pages: 120-123
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] 株式買取請求手続きにおける非流動性ディスカウントの可否2018
- Author(s)
  星　明男
- Journal Title
  
  法学教室
  
  Volume: 457 Pages: 92-98
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] 現代訴訟の論点と法理論の検討第2回　表明保証条項違反を理由とする損害賠償請求訴訟2017
- Author(s)
  道垣内弘人＝山本和彦＝小粥太郎＝星明男＝岸日出夫＝山田真紀＝朝倉佳秀＝武部知子
- Journal Title
  
  論究ジュリスト
  
  Volume: 22 Pages: 156-179
- Data Source
  KAKENHI-PROJECT-17K13651
[Journal Article] Doing Deals in Japan Revisited: An Updated Introductory Guide for U.S. Practitioners2017
- Author(s)
  Stephen D. Bohrer & Akio Hoshi
- Journal Title
  
  The M&A Lawyer
  
  Volume: 21 Pages: 19-36
- Data Source
  KAKENHI-PROJECT-17K13651
[Presentation] Peculiar Developments regarding Anti-takeover Measures in Japan2024
- Author(s)
  Hoshi Akio
- Organizer
  21st ASLI Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K01373
[Presentation] Knowledge of Corporate Party in Contractual Liability: An Analysis of Japanese Law and Interpretation from Function-based Approach2021
- Author(s)
  Akio Hoshi
- Organizer
  2nd Asian Law Junior Faculty Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K13651
[Presentation] Safeguards against the Dual-Class Share Structure: Why Are Dual-Class Firms So Rare in Japan?2021
- Author(s)
  Akio Hoshi
- Organizer
  18th ASLI Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K01373
[Presentation] Knowledge of Corporate Party in Contractual Liability2021
- Author(s)
  Akio Hoshi
- Organizer
  2nd Asian Law Junior Faculty Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K13651
[Presentation] Knowledge of Corporate Party in Contractual Liability2020
- Author(s)
  Akio Hoshi
- Organizer
  17th ASLI Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K13651
[Presentation] Interpretation of Corporate Acquisition Contracts in Japan: Why Do Japanese Judges Struggle with Construing Contracts?2019
- Author(s)
  Akio Hoshi
- Organizer
  16th ASLI Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K13651

1. 得津晶 (30376389)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 西岡晋 (20506919)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 松中学 (20518039)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 飯田秀総 (80436500)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

HOSHI Akio 星 明男

Research Projects

Research Products

Co-Researchers

Fiduciary Duties of Directors in Start-up FirmsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

The Backstage of Corporate Governance Reform

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Judicial Appraisal of Unlisted SharesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on M&A contract provisionsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] 神作裕之先生・藤田友敬先生還暦記念 商事法の拡がり2025

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Book] M&A契約研究2018

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Journal Article] 最新判例批評 会社法144条2項に基づく譲渡制限株式の売買価格決定手続においてDCF法によって算定された評価額から非流動性ディスカウントを行うことができるとされた事例2025

Author(s)

Journal Title

Data Source

[Journal Article] Shareholders’ Equity and Dividend Regulation in Japan: How Can Financial Reporting and Capital Maintenance Be Reconciled?2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 商事判例研究(No.3548)非上場会社の少数株主キャッシュアウトにおける株式価値評価2025

Author(s)

Journal Title

Data Source

[Journal Article] The peculiar development of anti-takeover measures in Japan2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 商事判例研究（No. 3511）株式会社の解散請求2024

Author(s)

Journal Title

Data Source

[Journal Article] 公正性担保措置が十分に機能しなかったキャッシュアウトにおける「公正な価格」の算定2024

Author(s)

Journal Title

Data Source

[Journal Article] 「企業買収における行動指針」の検討2023

Author(s)

Journal Title

Data Source

[Journal Article] Doing Deals in Japan Revisited: An Updated Introductory Guide for U.S. Practitioners2023

Author(s)

Journal Title

Data Source

[Journal Article] 商事判例研究(No.3478)株式の準共有者による売買価格決定の申立て2023

Author(s)

Journal Title

Data Source

[Journal Article] 商事判例研究(No.3478)株式の準共有者による売買価格決定の申立て2023

Author(s)

HOSHI Akio 星明男

[Book] 神作裕之先生・藤田友敬先生還暦記念　商事法の拡がり2025

[Journal Article] 最新判例批評　会社法144条2項に基づく譲渡制限株式の売買価格決定手続においてDCF法によって算定された評価額から非流動性ディスカウントを行うことができるとされた事例2025

[Journal Article] 判例評釈三ッ星新株予約権無償割当差止仮処分命令申立事件の検討2022

[Journal Article] 判例評釈三ッ星新株予約権無償割当差止仮処分命令申立事件の検討2022

[Journal Article] 現代訴訟の論点と法理論の検討第2回　表明保証条項違反を理由とする損害賠償請求訴訟2017