This inventor holds 7 USPTO granted patents. Top assignees: Sony Corporation, Praxair S.t. Technology, Inc., Other. Active years: 1987-2007.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Yokoyama. Retrieved from https://idiyas.com/inventor/norio-yokoyama
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
Average Co-Inventor Count = 3.7
ph-index = 4
Forward Citations = 120(Granted Patents)
Location History:
- Sendai, JP (1987 - 2000)
- Miyagi, JP (2000 - 2007)
Company Filing History:
5 out of 58,145 
Sony Corporation
1 out of 162 
Praxair S.t. Technology, Inc.
2 out of 834,513 Other
where one patent can have more than one assignee
Years Active: 1987-2007
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7 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: Norio Yokoyama. Retrieved from https://idiyas.com/inventor/norio-yokoyama
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]