Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#5 in Baarn
#3,348 in Netherlands
Polygram International Holding
Forward Citations = 2
3 inventors:
Polygram International Holding
Forward Citations = 2
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3 inventors (with patents filed for the assignee):
Johannes J Roering (1 out of 5 patents)
Jozef M Duurland (1 out of 7 patents)
Willem L Van Der Kruk (1 out of 4 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polygram International Holding. Retrieved from https://idiyas.com/company/polygram-international-holding
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]