Tosei Corp. engages in real estate and investment business. Its operates through the following segments: Real Estate Regeneration, Real Estate Development, Real Estate Leasing, Real Estate Fund and Consulting, Real Estate Management, and Hotel. The Real Estate Regeneration segment acquires properties with reduced asset value and resells them to investors and end users as revitalized properties. The Real Estate Development segment maximizes property value through acquisition, development, and construction of new buildings before selling them. The Real Estate Leasing segment leases office buildings, condominiums, commercial properties, and parking lots. The Real Estate Fund and Consulting segment deals with financial trading, investment advisory, investment management, brokerage, and consulting services. The Real Estate Management segment conducts comprehensive property management. The Hotel segment engages in hotel development and management. The company was founded on February 2, 1950 and is headquartered in Tokyo, Japan.