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USPTO Data Jan 1 1976 - Oct 27 2026
1 Patents
#155 in Kawasaki
#15,762 in Japan
Columbia Digital Media, Inc.
Forward Citations = 0
4 inventors:
Columbia Digital Media, Inc.
Calculating rank
% Expired Patents = 100.0
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Kazuo Kobayashi (1 out of 55 patents)
Kazuhiko Nakano (1 out of 4 patents)
Kunisato Kafuku (1 out of 2 patents)
4. Hidetaka Kaburagi (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Columbia Digital Media, Inc.. Retrieved from https://idiyas.com/company/columbia-digital-media
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]