This inventor holds 10 USPTO granted patents and 3 EPO patents. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha. Active years: 2003-2015.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohiko Totsuka. Retrieved from https://idiyas.com/inventor/hirohiko-totsuka
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 90.0
EPO Patents = 3 (Patent Applications = 2)
Average Co-Inventor Count = 2.6
ph-index = 5
Forward Citations = 59(Granted Patents)
Location History:
- Saitama, JP (2003)
- Saitama-ken, JP (2005 - 2015)
- Wako, JP (2013 - 2015)
Company Filing History:
7 out of 22,006 
Honda Motor Co., Ltd.
3 out of 10,092 
Honda Giken Kogyo Kabushiki Kaisha
Years Active: 2003-2015
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10 patents (USPTO):Explore Patents
I specialize in innovations, inventions, inventors, patent attorneys, assignees, and 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 Totsuka. Retrieved from https://idiyas.com/inventor/hirohiko-totsuka
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]
3 patents (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]
2 patents 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]