This inventor holds 4 USPTO granted patents. Top assignees: Mitsuba Corporation, Mitsuba Electric Manufacturing Co., Ltd.. Active years: 1991-2013.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohiko Maekawa. Retrieved from https://idiyas.com/inventor/hirohiko-maekawa
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 = 1.9
ph-index = 3
Forward Citations = 41(Granted Patents)
Location History:
- Yabuzukahon, JP (1993)
- Gunma-ken, JP (1999)
- Kiryu, JP (1991 - 2013)
Company Filing History:
2 out of 536 
Mitsuba Corporation
2 out of 103 
Mitsuba Electric Manufacturing Co., Ltd.
Years Active: 1991-2013
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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: Hirohiko Maekawa. Retrieved from https://idiyas.com/inventor/hirohiko-maekawa
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]