This inventor holds 3 USPTO granted patents. Top assignees: Pioneer Electronic Corporation, Kokusai Electric Co., Ltd.. Active years: 1976-1999.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Yokoyama. Retrieved from https://idiyas.com/inventor/susumu-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 = 1.7
ph-index = 3
Forward Citations = 48(Granted Patents)
Location History:
- Tokyo, JA (1976)
- Tokyo, JP (1979 - 1999)
Company Filing History:
2 out of 2,861 
Pioneer Electronic Corporation
1 out of 153 Kokusai Electric Co., Ltd.
Years Active: 1976-1999
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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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Yokoyama. Retrieved from https://idiyas.com/inventor/susumu-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]