Norio Yamamoto

Part of Chuokeizai-Sha Holdings, Inc., Planning Center KK is a Japanese company that provides advertising services. The company is based in Chiyoda-ku, Japan.

Part of Chuokeizai-Sha Holdings, Inc., CO2, Inc. is a Japanese company that edits and publishes magazines, books, and other publications. The company is based in Tokyo, Japan. CO2 was acquired by Chuokeizai-Sha Holdings, Inc. on September 18, 2013 for $2.91 million.

Part of Chuokeizai-Sha Holdings, Inc., Planning Center KK is a Japanese company that provides advertising services. The company is based in Chiyoda-ku, Japan.

Part of Chuokeizai-Sha Holdings, Inc., Planning Center KK is a Japanese company that provides advertising services. The company is based in Chiyoda-ku, Japan.

Part of Chuokeizai-Sha Holdings, Inc., Planning Center KK is a Japanese company that provides advertising services. The company is based in Chiyoda-ku, Japan.