This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Sony Corporation, Sony Electronics Inc. Active years: 1999-2012.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Kuboyama. Retrieved from https://idiyas.com/inventor/masafumi-kuboyama
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 3 (Patent Applications = 1)
% Patents Active = 33.3
Average Co-Inventor Count = 4.7
ph-index = 1
Forward Citations = 37(Granted Patents)
Location History:
- Kanagawa, JP (1999)
- Tokyo, JP (2011)
- Yokohama, JP (2012)
Company Filing History:
3 out of 58,147 
Sony Corporation
3 out of 2,335 
Sony Electronics Inc
where one patent can have more than one assignee
Years Active: 1999-2012
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3 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
1 patent pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Kuboyama. Retrieved from https://idiyas.com/inventor/masafumi-kuboyama
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]
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]