This inventor holds 4 USPTO granted patents. Top assignees: Toyo Ink Manufacturing Company, Hisamitsu Pharmaceutical Company, Inc.. Active years: 1978-1980.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Risaburo Yoshida. Retrieved from https://idiyas.com/inventor/risaburo-yoshida
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 = 4.4
ph-index = 4
Forward Citations = 85(Granted Patents)
Location History:
- Tokyo, JA (1978)
- Tokyo, JP (1980)
- Kyobashi, JP (1980)
Company Filing History:
4 out of 223 Toyo Ink Manufacturing Company
1 out of 379 Hisamitsu Pharmaceutical Company, Inc.
where one patent can have more than one assignee
Years Active: 1978-1980
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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: Risaburo Yoshida. Retrieved from https://idiyas.com/inventor/risaburo-yoshida
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]