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USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#6,094 in Tokyo
#15,745 in Japan
Polymer Processing Research Instr., Ltd.
Forward Citations = 23
4 inventors:
Polymer Processing Research Instr., Ltd.
Forward Citations = 23
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4 inventors (with patents filed for the assignee):
Shuichi Murakami (1 out of 124 patents)
Yuki Kuroiwa (1 out of 12 patents)
Kazuhiko Kurihara (1 out of 45 patents)
4. Hiroshi Yazawa (1 out of 34 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polymer Processing Research Instr., Ltd.. Retrieved from https://idiyas.com/company/polymer-processing-research-instr
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]