Kentaro Iseri

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.

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