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USPTO Data Jan 1 1976 - Oct 20 2026
4 Patents
#266 in Kanagawa
#7,588 in Japan
Kaisei Engineer Co., Ltd.
Forward Citations = 130
6 inventors:
Kaisei Engineer Co., Ltd.
Forward Citations = 130
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6 inventors (with patents filed for the assignee):
Hiroaki Kohama (4 out of 4 patents)
Kazuhiko Yasohama (3 out of 3 patents)
Hirofumi Takahashi (1 out of 11 patents)
4. Makio Iwamoto (1 out of 1 patent)
5. Takayuki Yamaki (1 out of 1 patent)
6. Ichiro Fujitomi (1 out of 1 patent)
4 patents:
Company Overview
Kaisei Engineer Co., Ltd. is a leading engineering company specializing in construction and infrastructure projects. With a strong emphasis on quality and innovation, we provide a wide range of services including design, planning, and project management. Our team of experienced professionals is dedicated to delivering outstanding results for our clients while adhering to strict safety standards. Visit our website to learn more about our company and the services we offer.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kaisei Engineer Co., Ltd.. Retrieved from https://idiyas.com/company/kaisei-engineer-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]
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]