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USPTO Data Jan 1 1976 - Oct 13 2026
8 Patents
#2,150 in Tokyo
#5,045 in Japan
Hazama Corporation
Forward Citations = 29
21 inventors:
Hazama Corporation
Forward Citations = 29
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21 inventors (with patents filed for the assignee):
Terunobu Maeda (5 out of 6 patents)
Atsunori Negishi (3 out of 3 patents)
Takashi Sakai (1 out of 11 patents)
4. Reiko Tanaka (1 out of 5 patents)
5. Koichi Taniguchi (1 out of 3 patents)
6. Tsuyoshi Sugio (1 out of 2 patents)
7. Toshio Enokida (1 out of 15 patents)
8. Hiromi Uchida (1 out of 4 patents)
9. Yasuo Nogami (1 out of 1 patent)
10. Tatsuo Suzuki (1 out of 1 patent)
11. Yoichi Honda (1 out of 1 patent)
12. Eiichi Kudou (1 out of 2 patents)
13. Kazuyuki Ouchi (1 out of 2 patents)
14. Shoichi Yokochi (1 out of 1 patent)
15. Masatoshi Sasaki (1 out of 1 patent)
8 patents:
Company Overview
Hazama Corporation is a construction company headquartered in Tokyo, Japan. Established in 1920, the company has a long history of delivering high-quality construction projects in various sectors including infrastructure, residential, commercial, and environmental. Hazama Corporation is committed to sustainable development, safety, and innovation in its construction projects.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hazama Corporation. Retrieved from https://idiyas.com/company/hazama
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]
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]
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]