This inventor holds 4 USPTO granted patents. Top assignees: Mitsubishi Nuclear Fuel Co., Ltd., Agency of Industrial Science and Technology, Ministry of International Trade & Industry. Active years: 1989-1991.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Ippei Nakagawa. Retrieved from https://idiyas.com/inventor/ippei-nakagawa-gp7a0dcu
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 = 4.1
ph-index = 2
Forward Citations = 16(Granted Patents)
Company Filing History:
3 out of 69 Mitsubishi Nuclear Fuel Co., Ltd.
1 out of 1,430 
Agency of Industrial Science and Technology
1 out of 348 Ministry of International Trade & Industry
where one patent can have more than one assignee
Years Active: 1989-1991
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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: Ippei Nakagawa. Retrieved from https://idiyas.com/inventor/ippei-nakagawa-gp7a0dcu
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]