This inventor holds 1 USPTO granted patent. Top assignees: Alpine Electronics, Inc., Honda Motor Co., Ltd., Mobilemedia Brain Association, Inc.. Active years: 2012.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Otsuka. Retrieved from https://idiyas.com/inventor/hirofumi-otsuka-h5ms488j
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Average Co-Inventor Count = 7.0
ph-index = 1
Forward Citations = 2(Granted Patents)
Company Filing History:
1 out of 937 
Alpine Electronics, Inc.
1 out of 22,006 
Honda Motor Co., Ltd.
1 out of 3 Mobilemedia Brain Association, Inc.
where one patent can have more than one assignee
Years Active: 2012
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1 patent (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: Hirofumi Otsuka. Retrieved from https://idiyas.com/inventor/hirofumi-otsuka-h5ms488j
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]