PM needs the sense of smell like shark

Product Manager’s role is often difficult to define. Are we decision makers? Are we responsible for the outcome? Both are true. But those does not necessarily make a great PM. What great PM does is to sense an opportunity from a vague signal, like sharks finds their pray from a smell of a drip of…More

Japan Designer’s Network: Featured designer

In 2015, I was covered in the Featured designer section on Japan Design Net, by Mr. Toshiki Kiriyama, an exceptional design producer leading TRUNK DESIGN. Not really being a traditional designer, I was humbled being in the list with prominent designers.More

Product manager should not act like a CEO

There’s a saying that product managers are the mini-CEO of the specific product that the person owns. Product managers are responsible for both the success and the failure of the product, and as the flip side product managers have the right to make the product decision themselves. Is this perception necessary? I started as a…More

WebController for V-Sido Connect

WebController for V-Sido Connect is a development platform for humanoid robot remote control, built on top of V-Sido, a robot control platform provided by Asratec Corp. Company: Asratec Corp.Development: Atomos Design Co., Ltd, Robust Inc. The platform is built 100% with web technology, made it easy for the web developers to integrate V-Sido with web…More


tab was a mobile app released in 2012 to bookmark the real world locations and activities. Gained 800K DL and selected as the Apple App Store Japan Best of 2012. The service is already closed. Company: Tonchidot Corp. tab was developed as the successor of SekaiCamera, one of the first AR application for smartphones. SekaiCamera…More

Will AI Destroy Us? 100 year story of how computer is becoming a god

Publisher: Diamond Inc. In early 2015, Sota Furuya, a publishing agent and a friend of mine reached out to me about a project to publish a book about the history of IT/computer. It was something I was enthusiastic since my teenage, so I decide to accept the offer. In the first meeting with the editor…More

freebit mobile

A MVNO in Japan that delivered vertically integrated experience from the network to the hardware to the services. Currently rebranded to TONE mobile. TONE mobileJapan Good Design Award 2014 I was a member of strategic design team, which designed everything about this network operator from up to bottom. There were myself and Takashi Ogawa. We…More


Official Japanese government Contact Confirming App. Official page by Japanese Ministry of Health, Labour and Welfare I’ve joined the open source project “COVID19-Radar” in May 2020. I’ve done the UX/UI design of the app, together with Ms. Noriko Matsumoto. We aimed to get the app used by 60% of the Japanese population (60MM+).More