In navigating international expansion for a Tokyo-based investment bank, Risk Management is paramount. Utilizing frameworks such as ISO 31000 can provide comprehensive guidelines on risk assessment, mitigation, and monitoring.

It's essential to tailor these frameworks to address the specific risks associated with foreign market volatility, geopolitical shifts, and cross-border regulatory compliance. For Japanese investment banks, particular attention must be given to adapting these international standards to align with Japan's stringent regulatory environment, ensuring that risk management practices are both globally robust and locally compliant.

An Integrated Financial Model is essential to forecast and monitor the bank's financial health during international expansion. It should encompass all facets of the bank's operations, including foreign investments, currency exchange risks, and regulatory capital requirements.

For the Japanese investment bank, this model must incorporate Scenario Planning to account for the unique aspects of each market's financial volatility and to test the resilience of the bank's capital adequacy under different stress conditions.

Adopting a diversified set of strategy frameworks can guide the expansion process. Strategic frameworks like PESTLE (for analyzing macro-environmental factors) and Porter's Five Forces (for Industry Analysis) can be instrumental in evaluating new markets.

A Japanese investment bank must consider the host country’s cultural, regulatory, and economic nuances when applying these frameworks to ensure successful Market Entry strategies and effective risk-averse investment approaches.

Deep Financial Analysis is a continuous requirement to ensure that the international investments align with the bank's growth objectives and risk appetite. It involves scrutinizing potential returns, liquidity risks, and the impact of exchange rates.

Special attention should be given to the analysis of sovereign and credit risks associated with each foreign market the Japanese investment bank is considering for expansion.

Strict adherence to regulatory compliance cannot be overstated. As the bank expands, it must navigate a complex web of international financial regulations, including Basel III standards, Anti-Money Laundering (AML), and Countering Financing of Terrorism (CFT) laws.

It is crucial for the Japanese bank to maintain a robust compliance program that is up to date with both local Japanese regulations and the regulatory landscapes of targeted international markets.

Exploring M&A could be a strategic pathway to accelerate international expansion. It requires a thorough Due Diligence process, assessing regulatory implications, cultural fit, and integration challenges.

For a Japanese investment bank, M&As must be meticulously planned to align with growth targets while ensuring synergies and compliance with Japan’s Financial Services Agency (FSA) regulations and foreign regulatory bodies.

Integrating robust valuation methods is vital when considering investments in foreign entities or assets. The bank should apply both traditional valuation models, such as DCF (Discounted Cash Flow), and methodologies that consider the unique aspects of international markets, including country risk premiums.

For Japanese Investment Banking, the valuation process must also align with the fair value measurement and reporting requirements under Japan's GAAP (Generally Accepted Accounting Principles).

Strong Corporate Governance practices are critical as they provide a framework for managing risks associated with international operations. These practices include establishing transparent policies, clear accountability, and effective internal controls.

A Japanese investment bank must ensure its governance structures meet both the domestic standards set by Japanese regulators and the international Best Practices required for operating in global markets.

Although more relevant to manufacturing and product-based industries, the concept of Supply Chain resilience can be adapted to the service-oriented nature of investment banking. In this context, it refers to the robustness of operational networks, including Data Management, third-party service providers, and IT infrastructure.

A Japanese investment bank must establish resilient operational processes to manage the risks of service disruptions, data breaches, and ensure business continuity in its international activities.

Developing a comprehensive Business Continuity Plan (BCP) is essential for maintaining operations during disruptions that could arise from entering new markets. This plan should address scenarios specific to geopolitical tensions, natural disasters, and cyber threats.

For a Japanese investment bank, the BCP must be nuanced to handle the complexities of cross-border operations while satisfying Japan's stringent business continuity requirements.