Douglas McKenzie (1 out of 2 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#543 in Kanagawa
#15,745 in Japan
D&m Holding
Forward Citations = 0
1 inventor:
D&m Holding
Forward Citations = 0
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1 inventor (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: D&m Holding. Retrieved from https://idiyas.com/company/d-and-m-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]