Hiromi Tezuka

Success Corp. develops and distributes computer gaming software and operates online games. The private company is based in Tokyo, Japan.

Part of HIROSE HOLDINGS & Co., Ltd., SeikoTone Co., Ltd. is a Japanese company that provides construction services. The private company is based in Tokyo, Japan. SeikoTone Co. was acquired by HIROSE HOLDINGS & Co., Ltd. from Nippon Mirai Capital Co., Ltd. on September 27, 2012.

Part of Nireco Corp., Megaopto Co. Ltd. is a Japanese company that manufactures and wholesales laser machineries. The private company is based in Wako, Japan. Megaopto Co. was acquired by Nireco Corp. on February 28, 2017.

Part of gremz, Inc., gremzsolar, Inc. sells solar power to those who have expired the purchase period of solar surplus power. The private company is based in Tokyo, Japan. The Japanese company offers the "fixed-price purchase system for renewable energy (FIT)" which was launched for home solar power systems in 2009 and will be purchased from 2019. Solar power generates electricity by solar power alone and is an environmentally friendly clean energy. It is also effective for reducing utility bills and preparing for catastrophes. The company provides information on their website about their solar power generation system and offers application assistance.

Keystone Technology, Inc. develops cultivation systems for vegetable factories. It designs, develops and manufactures light emitting diode equipment for plant cultivation and cultivation technology using artificial light sources. The firm operates light emitting diode vegetable garden and indoor vegetable cultivation shop. Its business activities also include planning, operational support, market development and marketing of agricultural products. The company was founded by Seiichi Okazaki on August 28, 2006 and is headquartered in Yokohama, Japan.

Alt, Inc. develops personal artificial intelligence application software. The company was founded by Kazutaka Yonekura in November 2014 and is headquartered in Tokyo, Japan.

KinoPharma, Inc. manufactures pharmaceutical products. It deals with the research and development of protein phosphorylation enzyme and low molecular clinical drugs. The company was founded by Masatoshi Hagiwara on April 11, 2005 and is headquartered in Tokyo, Japan.

Part of Gremz, Inc., Gremz Power, Inc. is a Japanese company that provides electric services. The private company is based in Tokyo, Japan.

Yokohama Frie Sports Club KK is a sports club based in Yokohama, Japan. The Japanese company's official website provides information on news, games, tickets, players, and club members. The company was founded in 1998 and the CEO is Yuji Onodera.

atDose Co., Ltd. has developed a patented mobile medication and infusion device called "atdose" to address various issues in medication treatment. The company is based in Kawasaki, Japan. The device aims to solve these issues and usher in a new era of medical care.