This inventor holds 7 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Fuji Electric Co., Ltd., Seven-Eleven Japan Co., Ltd.. Active years: 1999-2023.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuya Koyanagi. Retrieved from https://idiyas.com/inventor/takuya-koyanagi
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 85.7
Average Co-Inventor Count = 1.8
ph-index = 5
Forward Citations = 53(Granted Patents)
Location History:
- Osaka-fu, JP (2000)
- Saitama-ken, JP (1999 - 2003)
- Kounosu, JP (2023)
Company Filing History:
5 out of 8,782 Sanyo Electric Co., Ltd.
2 out of 4,826 
Fuji Electric Co., Ltd.
1 out of 4 Seven-Eleven Japan Co., Ltd.
where one patent can have more than one assignee
Years Active: 1999-2023
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7 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: Takuya Koyanagi. Retrieved from https://idiyas.com/inventor/takuya-koyanagi
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]