This inventor holds 3 USPTO granted patents. Top assignees: Japan Tobacco Inc., Yoshitomi Pharmaceutical Industries, Ltd.. Active years: 1992-1996.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunio Iwata. Retrieved from https://idiyas.com/inventor/kunio-iwata
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 = 5.8
ph-index = 3
Forward Citations = 21(Granted Patents)
Location History:
- Hatano, JP (1992)
- Takatsuki, JP (1996)
Company Filing History:
3 out of 1,069 
Japan Tobacco Inc.
3 out of 198 Yoshitomi Pharmaceutical Industries, Ltd.
where one patent can have more than one assignee
Years Active: 1992-1996
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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: Kunio Iwata. Retrieved from https://idiyas.com/inventor/kunio-iwata
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]