Okamura Corporation, headquartered in Yokohama, Japan, specializes in the design and manufacture of innovative office furniture solutions. The company focuses on enhancing workplace environments through its diverse product range, including ergonomic chairs, office booths, sliding partition panels, tables, and storage furniture. Okamura is committed to integrating functionality with aesthetic appeal, ensuring that its offerings support productivity and comfort in modern workspaces. The organization is recognized for its dedication to quality and design excellence in the office furniture sector.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

431 Patents

#10 in Yokohama

#423 in Japan

#2,200 in the World

Yokohama, Japan

Okamura Corporation

Forward Citations = 8,525

127 inventors:

Takayuki Yamamoto (37 out of 78 patents)

Ryo Igarashi (33 out of 62 patents)

Hiroshi Saotome (33 out of 49 patents)

4. Syouichi Izawa (31 out of 31 patents)

5. Waku Tsuchiyama (24 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Okamura Corporation. Retrieved from https://idiyas.com/company/okamura

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]

4 patents (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]

24 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]