Kokuyo Co., Ltd.

Kokuyo Co., Ltd., headquartered in Osaka, Japan, specializes in the development and manufacturing of office furniture and related products. The company is known for its innovative solutions in various domains, including ergonomic chairs, efficient desk systems, and versatile binding machines. Kokuyo also produces a range of tools and materials such as adhesive products, coating film transfer tools, and toy building blocks, reflecting its commitment to enhancing productivity and creativity in workspaces and educational environments.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

166 Patents

#87 in Osaka

#799 in Japan

#4,980 in the World

Osaka, Japan

Kokuyo Co., Ltd.

Forward Citations = 2,357

129 inventors:

Yojiro Kinoshita (40 out of 41 patents)

Hideto Shima (30 out of 41 patents)

Takao Sugano (17 out of 17 patents)

4. Takashi Mitsui (11 out of 11 patents)

5. Takayoshi Kanou (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kokuyo Co., Ltd.. Retrieved from https://idiyas.com/company/kokuyo-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

32 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]