Utsuroi is a poetic Japanese word that means change, transition, transformation, movement, or passage. We create Utsuroi gadgets by inventing novel technologies and finding multi-cultural contexts.

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Neo Shishi-Odoshi

A sound-changing Shishi-odoshi that revitalizes the public space.

Hirotaka Fusegi, Kaiki Kubo, Koichiro Kanai, Yuichiro Katsumoto

Read paper (in Japanese)

Super Hen-Scene

A hair stand-able bust by tendon-driven mechanism. With love for Dragon Ball.

Isami Sakata, Ryo Okamura, Taku Yokoyama, Yuichiro Katsumoto

Read paper (in Japanese)

Fruits of Light

Lightings that remind the pleasure of eating fruit. We designed two types of lighting with grape and orange motifs.

Tomoya Takase, Shota Nakao, Kota Yamashita, Yuichiro Katsumoto

Ayatsuri Daruma

An animatronic Daruma doll with the aim of making traditional crafts more accessible to people today.

Nanako Imanari, Riku Sakamoto, Yuichiro Katsumoto


Self-inverting kinetic arts that depict our boundaries and sudden change of attitudes.

Yuichiro Katsumoto
2020 -

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