This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Sanken Electric Co., Ltd., Denso Corporation. Active years: 2007-2012.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Sekiguchi. Retrieved from https://idiyas.com/inventor/keiichi-sekiguchi-vi1oimyj
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 75.0
EPO Patents = 1
Average Co-Inventor Count = 2.7
ph-index = 3
Forward Citations = 17(Granted Patents)
Location History:
- Saitama, JP (2007 - 2011)
- Niiza, JP (2010 - 2012)
Company Filing History:
4 out of 644 
Sanken Electric Co., Ltd.
1 out of 20,443 
Denso Corporation
where one patent can have more than one assignee
Years Active: 2007-2012
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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: Keiichi Sekiguchi. Retrieved from https://idiyas.com/inventor/keiichi-sekiguchi-vi1oimyj
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]
1 patent (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]
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]