This inventor holds 6 USPTO granted patents. Top assignees: Honda Motor Co., Ltd., Nissin Kogyo Co., Ltd.. Active years: 2016-2021.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Choichi Ishikawa. Retrieved from https://idiyas.com/inventor/choichi-ishikawa
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 66.7
Average Co-Inventor Count = 3.7
ph-index = 3
Forward Citations = 27(Granted Patents)
Location History:
- Utsunomiya, JP (2016 - 2018)
- Wako, JP (2017 - 2021)
Company Filing History:
6 out of 22,925 
Honda Motor Co., Ltd.
1 out of 309 Nissin Kogyo Co., Ltd.
where one patent can have more than one assignee
Years Active: 2016-2021
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6 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: Choichi Ishikawa. Retrieved from https://idiyas.com/inventor/choichi-ishikawa
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]