Naoyuki Mikuni

WM PARTNERS Co. Ltd. (WM PARTNERS) is an independent private equity firm founded in 2003. The firm is headquartered in Tokyo, Japan.

Netch. Co. Ltd. engages in the development of video games through Internet. It services include development, planning and sale of computer software and advertising related business. The company was founded by Masaru Nishimura and Minoru Hirashima in September 2012 and is headquartered in Tokyo, Japan.

WINLIGHT Co., Ltd. develops and operates mobile content applications. It offers translation service, development mobile contents and customer support services. The company was founded on July 23, 2003 and is headquartered in Tokyo, Japan.

Sonora Technology Co., Ltd. is a Japanese company that specializes in soundproofing and acoustic measurement solutions. The company is based in Tokyo, Japan and was founded in 2003 by Yusuke Aoki. The company offers a range of products such as soundproof rooms, soundproof covers, soundproof walls, and sound-absorbing materials. The company's main business is in architectural sound solutions, including assembly-type adverse rooms and semi-non-sounding rooms with high sound insulation and sound-absorbing characteristics. The company also provides low-cost soundproof rooms with guaranteed acoustic performance, which is an industry first.