This inventor holds 4 USPTO granted patents. Top assignees: Sony Computer Entertainment Inc., Sony Corporation, Sony Interactive Entertainment Inc.. Active years: 2013-2020.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Yamamoto. Retrieved from https://idiyas.com/inventor/masami-yamamoto-heb0s387
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 100.0
Average Co-Inventor Count = 3.3
ph-index = 1
Forward Citations = 12(Granted Patents)
Location History:
- Kanagawa, JP (2016)
- Tokyo, JP (2013 - 2020)
Company Filing History:
2 out of 1,799 
Sony Computer Entertainment Inc.
1 out of 58,147 
Sony Corporation
1 out of 3,358 
Sony Interactive Entertainment Inc.
4. 1 out of 2,470
Subaru Corporation
where one patent can have more than one assignee
Years Active: 2013-2020
Loading Chart...
4 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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Yamamoto. Retrieved from https://idiyas.com/inventor/masami-yamamoto-heb0s387
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]
1 patent pending (EPO):
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]