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Winner 2025 / ARCHITECTURAL DESIGN / Commercial / Manufacturing

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  • Project Title

    Kyoei Steel Yamaguchi Division New Office Building


  • Winning Firm

    OKUMURA CORPORATION + MR STUDIO Co.,Ltd.


  • Lead Designer

    Masahiko Tokunaga + Nobuaki Miyashita


  • Awarded

    WINNER, ARCHITECTURAL DESIGN, Commercial / Manufacturing
  • Project Location
    Sanyo Onoda, Yamaguchi, Japan
  • Project Status
    Completed
  • Completion Date
    July, 2024
  • Client
    Kyoei Steel Ltd.
  • General Contractor
    Okumura Corporation + Onoki Construction
  • Photographer credit
    Kenta Sato, Jxphoto Co., Ltd. And Nobuaki Miyashita, Mr Studio Co.,ltd.

  • Architectural Firm
     
  • Architect Firm / Studio Name
  • Lead Architect(s)
    Masahiko Tokunaga + Nobuaki Miyashita
  • Other Team Members
    Masahiko Tokunaga , Tetsuya Nagayoshi / OKUMURA CORPORATION , Nobuaki Miyashita,Yukari Hirose / MR STUDIO Co., Ltd.

Kyoei Steel recycles steel scrap using electric furnaces, ensuring a sustainable production cycle. The new Yamaguchi office, themed An Office Embraced in Recycled Steel, embodies this transformation. The exterior draws from stacked billets, while the interior uses locally sourced angle steel and rebars. Barcode and QR code designs extend throughout office spaces, harmonizing steel and ambient light. The lighting design transforms these intricate patterns into three-dimensional forms, adding depth and movement, symbolizing Kyoei Steel’s identity and long-term vision.

Bio
MR STUDIO Co., Ltd. is a premier design firm founded in Japan in 2017, driven by the mission to transform spaces into expressions of identity and purpose through innovative architectural concepts. Under the leadership of Nobuaki Miyashita, an architect with nearly three decades of experience, the firm has swiftly gained recognition for its forward-thinking and impactful approach. Each project undertaken is a testament to MR STUDIO’s dedication to exploring and fulfilling the potential needs of its clients, ensuring that every design embodies a distinct identity.

Other prizes
2020, Winner, International Architecture Awards, USA 2021, First prize, AIA-JAPAN Award for Architecture, Japan 2022, Winner, The Chicago Athenaeum Good Design Awards,USA 2022, Winner, International Architecture Awards, USA 2022, Winner, iF DESIGN AWARD,Germany 2023, Winner, The Chicago Athenaeum Good Design Awards,USA 2024, Gold Award & Silver Award, A' Design Award & Competition,Italy 2024, Winner, Green Good Design Sustainability Awards, USA 2024, Winner & Honorable Mention, DNA PARIS DESIGN AWARDS, France 2024, Red Dot Design Award,Germany 2024, AIA International Awards, Merit Award

Credits: Kenta Sato, JXPhoto Co., Ltd. and Nobuaki Miyashita, MR STUDIO Co.,Ltd.

Outstanding Property Award London
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