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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#15 in Fuji
#11,139 in Japan
Polyplastics Corporation Ltd.
Forward Citations = 4
9 inventors:
Polyplastics Corporation Ltd.
EPO Patents = 2
Forward Citations = 4
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9 inventors (with patents filed for the assignee):
Hiroshi Igarashi (1 out of 145 patents)
Yoshinobu Komatsu (1 out of 11 patents)
Takahisa Erami (1 out of 3 patents)
4. Kota Fujiwara (1 out of 2 patents)
5. Takuhiro Koketsu (1 out of 1 patent)
6. Fumitake Utsumi (1 out of 1 patent)
7. Hiroshi Katayama (1 out of 1 patent)
8. Kazuya Goshima (13 patents)
9. Takeuchi Ryo (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polyplastics Corporation Ltd.. Retrieved from https://idiyas.com/company/polyplastics
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]
2 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]