This inventor holds 3 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Kokusai Denshin Denwa Co., Ltd.. Active years: 1982-1987.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiko Yoshikawa. Retrieved from https://idiyas.com/inventor/yoshihiko-yoshikawa
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 = 1.4
ph-index = 2
Forward Citations = 5(Granted Patents)
Location History:
- Itami, JP (1983)
- Amagasaki, JP (1982 - 1987)
Company Filing History:
3 out of 21,351 
Mitsubishi Denki Kabushiki Kaisha
1 out of 226 
Kokusai Denshin Denwa Co., Ltd.
where one patent can have more than one assignee
Years Active: 1982-1987
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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: Yoshihiko Yoshikawa. Retrieved from https://idiyas.com/inventor/yoshihiko-yoshikawa
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]