Kohei Nakamura

Clean Authority of TOKYO 23cities operates as a special local government authority that handles the cleaning and sanitation programs of the twenty-three cities in Tokyo. Its business activities include maintenance of incineration facilities; waste management and public sewer management. The company was founded on April 1, 2000 and is headquartered in Tokyo, Japan.

Holp Shuppan KK is a Japanese publishing company that publishes books and magazines. The company is based in Tokyo, Japan. The company also offers database storage services for electronic publishing. Holp Shuppan KK was founded in 1969 and was later acquired by Phoenix Holdings KK from Aplix Corp. on March 31, 2017 for $1.76 million.