
About Us
Designing Bonds
Based on this desire, we are developing the following businesses
Space design
Interior design
Interior Coordination
Design supervision
Furniture purchasing
AI Renovation
Renovation proposals utilizing generative AI
THE ARCHITECTS (scheduled to open in summer 2025)
Real estate brokerage of architect-designed properties
Introduction of registered architects
Space Design Inc. was established in 2008 and has been developing its business mainly in interior design of cafes, restaurants, houses, hotels, etc. From 2025, we will also obtain a building contractor license, deepen cooperation with architects, and develop a real estate brokerage service featuring properties with high design quality.We will also develop a real estate brokerage service that features properties with high design quality.
Please feel free to contact us for more information about architecture, interior design, and properties.
Company Name: Spear Design First Class Architects Office, Inc.
Main Office 107-0062
2-11-17 3F, Minami-Aoyama, Minato-ku, Tokyo
📞 03-6261-0830
Established March 2008
Representative Yuko Miyasaka
Architectural firm first-class Tokyo governor registration No. 56809
Antique dealer's license Tokyo Public Safety Commission
No. 301122320898
Spectrum Design Co.
Space Design Inc.

Yuko Miyasaka

Representative Director, Space Design Inc.
First Class Registered Architect, Registration No. 258701
Lighting Consultant Certification No. LC17116
SSOJ Japan Space Designer Support Organization Regular Member
High School Battle Abbey School / U.K.
Brooke House VIth Form College / U.K.
University Graduated from the University of Tokyo, Department of Architecture, Faculty of Engineering
Meredith College / USA, Interior Design
After his father was transferred to Bulgaria, he went to a boarding school in England.At the age of 29, he and his wife studied interior design in the U.S. with their two daughters, ages 3 and 1.After returning to Japan, he worked for Nomura Co. and Prada Japan Technical Office (design department) before setting up his own business.After working for Designtec and Kibel and being involved in residential and office design, he established Space Design Inc. in 2008, where he currently works.
Currently, he is engaged in interior design and design supervision for stores, residences, offices, and hotels with the keyword "designing bonds".He has been designing Segafredo Cafe since 2011, and is currently involved in store development as an advisor, designing 17 stores for the firm.
In 2025, we will obtain a license as a building contractor, and develop a business that links architecture, real estate, and interior design with the two pillars of the real estate and design divisions.
Publishment
Caferes Winter/Spring 2022



Business partners
Yokohama Warehouse Co., Ltd.
Ace Japan Co., Ltd.
Segafredo Zanetti Japan Co., Ltd.
Aeon Retail Co., Ltd.
Mitsui Designtec Co., Ltd.
BOSCH Corporation,
Kibel Corporation,
Houset Corporation,
Nomura Co., Ltd.,
Fujikura Corporation,
FUJITAKA Corporation
Kusuyama Design Co., Ltd. and others
SPACE DESIGN INC.