This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: Central Research Institute of Electric Power Industry, Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1992-2009.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromi Shirai. Retrieved from https://idiyas.com/inventor/hiromi-shirai
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 2 (Patent Applications = 1)
% Patents Active = 50.0
Average Co-Inventor Count = 3.1
ph-index = 1
Forward Citations = 12(Granted Patents)
Company Filing History:
2 out of 112 
Central Research Institute of Electric Power Industry
1 out of 1,326 
Mitsubishi Jukogyo Kabushiki Kaisha
where one patent can have more than one assignee
Years Active: 1992-2009
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2 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]
1 patent pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromi Shirai. Retrieved from https://idiyas.com/inventor/hiromi-shirai
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]
1 patent pending (EPO):
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]