This inventor holds 9 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Asahi Kasei Chemicals Corporation. Active years: 1985-2010.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonari Watanabe. Retrieved from https://idiyas.com/inventor/tomonari-watanabe-gc2f2f70
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
CIPO Patents = 1
EPO Patents = 2
Average Co-Inventor Count = 2.7
ph-index = 6
Forward Citations = 87(Granted Patents)
Location History:
- Okayama, JP (1985)
- Kurashiki, JP (1986 - 1990)
- Yamato, JP (1995 - 2010)
Company Filing History:
7 out of 1,297 
Asahi Kasei Kogyo Kabushiki Kaisha
2 out of 510 
Asahi Kasei Chemicals Corporation
Years Active: 1985-2010
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9 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: Tomonari Watanabe. Retrieved from https://idiyas.com/inventor/tomonari-watanabe-gc2f2f70
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]
1 patent (CIPO):
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]
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]