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Main pages, grouped by section (52 pages). Historical company reports and individual disclosures are available through the research archive and signal log.
Services
Research
Sections
Current profiles
IR training
Origins of reform
- Why “ROE 8%” became the standard for reform
- Who filled the void after the main bank?
- Why governance reform was included in the growth strategy
- Stewardship Code that changed investors (2014/2017/2020/2025)
The code era
- 2015 Corporate Governance Code - The basics of “comply or explain”
- 2018 Revision: Turning point when cost of capital is clearly stated in the code
- Revised 2021 - Prime Market, Sustainability, and Diversity
- How to read a corporate governance report in 15 minutes
- Code and Guidelines - Differences in roles and how to distinguish them
Market restructuring
- From 4 categories to 3 categories - market reorganization in April 2022
- tradable-share ratio: Mechanism that encouraged reduction of cross-shareholdings
- Listing maintenance rules after transitional measures end
- TOPIX reform: Toward a selection index independent of market segments
- 2030 standards for growth markets: What does “market capitalization of 10 billion yen in 5 years of listing” mean?
Capital efficiency
- How to read PBR below 1: The real aim of the TSE request
- WACC, ROIC, equity spread - basic terminology for cost of capital management
- TSE's list of companies disclosing information - Discipline created by public disclosure
- 7 pitfalls to avoid when disclosing cost of capital
- From disclosure to implementation - April 2026 request update
The frontier
- Simultaneous disclosure in Japanese and English is just the beginning - mandatory in April 2025
- The final phase of cross-shareholdings - Verification and disclosure for each stock
- What the delisting of Toyota Industries revealed: Group reorganization of listed companies and protection of minority shareholders
- How to Handle Unsolicited Acquisitions - 2023 "Guidelines for Corporate Takeovers"
- SSBJ Standards in Practice: Key Points of Phased Application and Preparation
- To achieve “30% by 2030” - How to develop female executive candidates
- Collaborative engagement after the third revision of the Stewardship Code
- Read the next system reform - Overview of governance-related conferences and study groups