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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#4,366 in Tokyo
#11,133 in Japan
Polyplastics-Evonik Corporation
Forward Citations = 0
8 inventors:
Polyplastics-Evonik Corporation
EPO Patents = 4
Trademarks = 2
Forward Citations = 0
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8 inventors (with patents filed for the assignee):
Mitsuteru Mutsuda (1 out of 30 patents)
Yoshiki Nakaie (1 out of 8 patents)
Rei Sato (1 out of 2 patents)
4. Kazuya Okubo (1 out of 5 patents)
5. Yosuke Onoue (1 out of 2 patents)
6. Daisuke Fujiki (1 out of 2 patents)
7. Takuya Ochiai (1 out of 1 patent)
8. Toshihiko Fujinaka (1 out of 1 patent)
9. HItomi Omae (1 patent)
10. Takayuki Uno (0 patent)
11. Mitsuteru 01/ Mutsuda (0 patent)
12. Takayuki 03/ Uno (0 patent)
13. Yoshiki 02/ Nakaie (0 patent)
14. Toshihiko Fujinaka (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polyplastics-Evonik Corporation. Retrieved from https://idiyas.com/company/polyplastics-evonik
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]
4 patents (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]