Yuichiro Katsumoto is a Japanese gadget creator based in Singapore. He keeps inventing new electronic gadgets that are time related since 2005. Currently, he works for the Smart Systems Institute (formerly known as Interactive & Digital Media Institute), National University of Singapore in R&D for digital devices.

His early work, Amagatana (2006–2009), which was created by focusing on spare time in our daily lives, won the encouragement award at the 10th Japan Media Art Festival Entertainment Division. This work was exhibited at FILE 2007 Games, Ars Electronica Festival 2007, ACM Multimedia 2007 Art Exhibition, ACM SIGGRAPH Asia 2008 Art Gallery, and several galleries.

After moving to Singapore in 2010, he started a project "Phase Transition-ish Apparatus (PTA)" aimed at inventing various types of toys inspired by phase transition phenomena. Ninja Track (2011–2013), one of the examples of PTA, is the novel interface which is able to change its shape and flexibility. PTA won the excellence prize in the 15th Japan Media Arts Festival, and the game called ReelBlade which uses Ninja Track as a game controller also won the best technological award in Sense of Wonder Night at the Tokyo Game Show in 2015.

In 2013, he started a new project, "Robot Anime Reversal", and created Dancer-in-a-Box (2013–2015) and Robotype (2016–).