Ohbayashi Corporation is a prominent construction and engineering firm based in Osaka, Japan. The company specializes in various sectors, including civil engineering, building construction, and infrastructure development. With a strong emphasis on innovation, Ohbayashi engages in advanced research and technology applications to enhance project efficiency and sustainability. The firm is recognized for its commitment to quality and safety in construction practices, contributing significantly to urban development and infrastructure enhancement in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#450 in Osaka

#4,134 in Japan

#51,714 in the World

Osaka, Japan

Ohbayashi Corporation

Forward Citations = 154

31 inventors:

Yozo Goto (3 out of 3 patents)

Makoto Hayakawa (2 out of 4 patents)

Shigeki Tsuchiyama (2 out of 2 patents)

4. Tadao Sugimoto (2 out of 2 patents)

5. Tadao Koide (2 out of 2 patents)

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

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]