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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,658 in Osaka
#15,759 in Japan
Kureha Elastomer Co., Ltd.
Forward Citations = 2
9 inventors:
Kureha Elastomer Co., Ltd.
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 2
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9 inventors (with patents filed for the assignee):
Seiki Chiba (1 out of 18 patents)
Mikio Waki (1 out of 15 patents)
Kazuya Nagase (1 out of 7 patents)
4. Kuniyoshi Okamoto (1 out of 9 patents)
5. Naoaki Tsurumi (1 out of 3 patents)
6. Syo Kurita (1 out of 2 patents)
7. Makoto Takasugi (1 out of 1 patent)
8. Nobuhiro Miyagi (1 out of 1 patent)
9. Yoshinori Tanaka (1 out of 23 patents)
10. Ryuji Uchiyama (1 patent)
11. Nobuyuki Mouri (0 patent)
12. Tomohiko Takajyou (0 patent)
13. Toshiaki Doi (0 patent)
14. Mitsuru Kitamura (0 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kureha Elastomer Co., Ltd.. Retrieved from https://idiyas.com/company/kureha-elastomer-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]