This inventor holds 5 USPTO granted patents. Top assignees: Denso Corporation, Kyosan Denki Co., Ltd., Sumitomo Wiring Systems, Limited. Active years: 2010-2016.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Maruyama. Retrieved from https://idiyas.com/inventor/kouji-maruyama-z34uiq7a
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 60.0
Average Co-Inventor Count = 3.7
ph-index = 4
Forward Citations = 47(Granted Patents)
Location History:
- Aichi-ken, JP (2011)
- Aichi-gun, JP (2010 - 2016)
Company Filing History:
5 out of 20,443 
Denso Corporation
2 out of 84 Kyosan Denki Co., Ltd.
1 out of 6,426 
Sumitomo Wiring Systems, Limited
where one patent can have more than one assignee
Years Active: 2010-2016
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5 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: Kouji Maruyama. Retrieved from https://idiyas.com/inventor/kouji-maruyama-z34uiq7a
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]