

Golden
Arch Design Award
Winner
in
Architectural Design Category
'26
Miroku Nissho Factory
Designed by
Koji Okada / Kawada Industries, Inc. + Nobuaki Miyashita. / MR STUDIO Co., Ltd.
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Miroku Nissho Factory
Industrial Architecture
Kochi, Japan
Koji Okada / Kawada Industries, Inc. + Nobuaki Miyashita. / MR STUDIO Co., Ltd.
Yasuhiro Sakurai, Koji Okada / Kawada Industries, Inc. + Nobuaki Miyashita, Yukari Hirose, Miki Kase / MR STUDIO Co., Ltd.

Photo Credits:
Nobuaki Miyashita (MR STUDIO Co., Ltd.) + Takafumi Yamashita (Yamashita Photo Office)
Copyrights:
Kawada Industries, Inc. + MR STUDIO Co., Ltd.
Miroku’s firearms have never been conceived as mere tools. From their earliest history, they have been crafted as works of art—objects in which meticulous precision gives rise to a distinct aesthetic presence. Their value lies not only in performance, but in an uncompromising pursuit of beauty in every detail.
This project expands that philosophy into architecture. Rather than designing a factory as a purely functional container for production, the aim was to create an architectural work that embodies Miroku’s spirit, aesthetic sensibility, and identity in built form.
The architectural form is derived from the motif of the three interlinked bridge rings in Miroku’s logo. By fragmenting a massive industrial volume into articulated elements, the design gives physical expression to continuity, rhythm, and tension. These qualities echo the focused intensity and controlled dynamics of precision manufacturing, translating an invisible discipline into visible architectural language.
The exterior is unified by Miroku Blue, the company’s corporate color. This deep blue recalls both the refined surfaces of finished firearms and the clear blue of the Niyodo River flowing through Kochi. Through this color, corporate identity and local memory are layered into a single architectural expression, grounding the building in its place while projecting a global presence.
As light and viewpoint shift, the sharp edges of the building continuously change their appearance. This subtle transformation recreates, at an architectural scale, the tactile beauty experienced when handling a finely crafted product. The building does not merely house manufacturing; it spatially reenacts the aesthetic values that have long guided Miroku’s craftsmanship.
This factory stands as a vessel that visualizes Miroku’s corporate identity. It carries into the future the spirit that has elevated firearms from industrial products to works of art—now expressed through architecture as a lasting form.









