Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
5 Patents
#2,721 in Tokyo
#6,652 in Japan
Jeol Engineering Co., Ltd.
Forward Citations = 24
12 inventors:
Jeol Engineering Co., Ltd.
% Expired Patents = 40.0
EPO Patents = 1
Forward Citations = 24
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12 inventors (with patents filed for the assignee):
Tadanori Yoshioka (2 out of 5 patents)
Eiichi Watanabe (1 out of 16 patents)
Fuminori Hasegawa (1 out of 1 patent)
4. Masami Amemiya (1 out of 11 patents)
5. Masato Ozeki (1 out of 1 patent)
6. Tadashi Kawai (1 out of 1 patent)
7. Hirohisa Yoshida (1 out of 1 patent)
8. Tokuo Mizuno (1 out of 3 patents)
9. Atsuro Tonomura (1 out of 2 patents)
10. Naoki Aota (1 out of 1 patent)
11. Kazuo Hushimi (1 out of 3 patents)
12. Masahiko Kuwata (1 out of 3 patents)
13. Fuminori Hasegawa (0 patent)
5 patents:
Company Overview
Jeol Engineering Co., Ltd. is a leading provider of engineering services based in Japan. With over 30 years of experience, the company specializes in the design, manufacture, and installation of industrial equipment and systems. Jeol Engineering is committed to delivering high-quality solutions to meet the unique needs of their clients across various industries.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jeol Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/jeol-engineering-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]
1 patent (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]