Company Information

Company Name
Triple W Japan K.K
February 18th, 2015
Atsushi Nakanishi
Daiichi Kasuya Building 2-9 Sakuragaokacho, Shibuya-ku, Tokyo, 150-0031
Oversea Subsidiary
2230 Homestead Court #307, LOS ALTOS CA 94024,
66 Avenue des Champs-Élysées, 755008, Paris, France
Business Overview
We plan, develop, and sell toilet timing predicting wearable device “Dfree”


Atsushi Nakanishi
President & CEO

He has started his career in Japanese consulting firm in 2006. In 2011, he went to Philippine for Japan Oversea Cooperation Volunteer where he experienced launching a new business and community development. He started Triple W in May 2014.

Works:「10分後にうんこが出ます-排泄予知デバイス開発物語-」 2016・Shinchosha Publishing
Yuichiro Kuzuryu

Started his career in Yamaha where he experienced R&D, product development, and product management. He managed development in Miselu for several products. Joined Triple W in April 2016.

Masanori Kobayashi
General Manager

Worked in Deloitte Tohmatsu Consulting LLC where he experienced marketing, supporting IPO, M&A advisory, and new business development. He is managing back office works as well as finance.

Ryosuke Masamori
Hardware Engineer Manager

Worked in Olympus Medical Systems where he worked in the development of endoscope. He has been working in Triple W since May 2014 as an engineer and has done R&D for fundamental technology and machine designing.

Akihiro Kawata
Executive Hardware Engineer
Graduated Nagaoka University of Technology. Has worked in Japan Texas Instrument, Yamaha, and Denso. Joined Triple W in June 2016 as an executive hardware engineer.

Works:「OPアンプ活用 成功のかぎ」2009・CQ Publishing 
           「パワーインテグリティのすべて」2010・Shoeisha (Joined Translation) 
           「電源IC応用ハンドブック」 2010・CQ Publishing (co-author)
Satoshi Ebisawa
Softwear Engineer Manager
Has worked in a leading internet service provider as a software developer, developed infrastructure of large social game, and developed web services as CTO. Joined in October 2017.
Yutaka Katayama
Softwear Engineer
Started his career as a system engineer in a system integrator and worked as a data scientist in a leading telecommunication company. Joined in January 2017.
Miwako Saito
Joined on March 2017 as the first female member of Triple W Japan. She has worked in advertisement agency prior to joining. She works for logistics and general affairs.
Sakae Kusanishi
Senior Marketer
Worked as a manger in a bridal company prior to joining Triple W Japan on December 2015. Lead trials of DFree and spent one third of a year at nursing homes.
Maya Kitano
Worked in an IT company and bridal company. Joined in May 2017. She works as a sales to nursing homes and other clients.
Rui Yamamoto
Started her career in Rakuten Inc., and have worked in human resources department. After living in France for 2 years, she has joined in July 2017 as a HR/PR manager.

Main Stockholder

Nissay Capital Co.,Ltd 

Hack Ventures,Inc


iSGS Investment Works Inc.

Daiwa Corporate Investment Co., Ltd.

Mizuho Capital Co., Ltd.

SBI Investment Co., Ltd.

Revamp Corporation

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