This inventor holds 8 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignee: Caterpillar Sarl. Active years: 2011-2026.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Sei Shimahara. Retrieved from https://idiyas.com/inventor/sei-shimahara
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
USPTO Granted Patents = 8 (Patent Applications = 3)
% Patents Active = 62.5
EPO Patents = 2 (Patent Applications = 2)
Average Co-Inventor Count = 3.5
ph-index = 3
Forward Citations = 22(Granted Patents)
Location History:
- Tokyo, JP (2011 - 2016)
- Akashi, JP (2023)
Company Filing History:
Years Active: 2011-2026
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8 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]
3 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Sei Shimahara. Retrieved from https://idiyas.com/inventor/sei-shimahara
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]
2 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]