About

Masashi Kusaka is an attorney based in Setagaya-ku, Tokyo, who serves as in-house counsel for Rakuten Mobile, Inc. With a practice grounded in general legal matters, he provides practical, business-focused guidance that supports the company’s operations in a fast-moving and highly regulated industry. His work reflects a strong commitment to clear analysis, sound judgment, and responsive legal support tailored to the needs of a modern corporate environment. As an attorney licensed under Bar Number 4513453, Masashi Kusaka brings a thoughtful and disciplined approach to legal problem-solving. In a general practice role, he is attentive to a wide range of legal issues and is known for helping identify efficient, workable solutions that align with both legal requirements and organizational priorities. His ability to navigate complex matters with professionalism and precision makes him a valued resource for internal stakeholders seeking dependable legal insight. Masashi Kusaka is dedicated to delivering reliable counsel with a client-centered mindset, emphasizing clarity, integrity, and practical results. Based in Tokyo, he continues to support Rakuten Mobile, Inc. with legal guidance that helps advance business objectives while managing risk effectively.

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