Shigenori Hirota

Part of MCJ Co., Ltd., Unitcom, Inc. is a Japanese company that manufactures and sells custom made computers, components and software. The company is based in Osaka, Japan. Unitcom was acquired by Aro-System Co., Ltd. on October 01, 2003.

Part of MCJ Co., Ltd., SolNac Corp. is a Japanese company that supports the core infrastructure and manufacturing industry using HDD and SSD. SolNac is based in Osaka, JP. The company provides services such as HDD disability analysis and screening, advice on high-quality memory modules and flash products, and total support from HDD selection evaluation to data recovery technical support. The company has developed a software for HDD disability analysis initial diagnosis that allows users to collect information and determine whether or not there is a disability. The company also offers a product developed for built-in OEM customers. SolNac was acquired by MCJ Co., Ltd. on March 28, 2012 for $3.67 million.

World Joho System KK is a private company based in Sakai, Japan that provides services for acupuncture and moxibustion, anma, and osteopathic clinic. The Japanese company also offers startup support such as various application business support and opening support, supporting support and operation support during business, providing the latest industrial information and holding seminars. On April 20, 2015, World Joho System KK was acquired by World Joho System KK/Oda/ from MCJ Co., Ltd.

Tekwind Co. Ltd. distributes personal computers and personal computer peripherals. It offers personal computer assembly. The company was founded in April 1995 and is headquartered in Bunkyo-Ku, Japan.