Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1 in Ohsaka
#15,759 in Japan
Japan Polypro Backing Co. Ltd.
Forward Citations = 3
4 inventors:
Japan Polypro Backing Co. Ltd.
Forward Citations = 3
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4 inventors (with patents filed for the assignee):
Hideshi Sakamoto (1 out of 9 patents)
Tomio Yamazawa (1 out of 2 patents)
Kusuo Fujishita (1 out of 2 patents)
4. Junichi Yamaguchi (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Polypro Backing Co. Ltd.. Retrieved from https://idiyas.com/company/japan-polypro-backing-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]
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]