This inventor holds 3 USPTO granted patents. Top assignees: Violet Co., Ltd., Panasonic Energy Co., Ltd., Wako Technical Co., Ltd.. Active years: 1989-2023.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoji Watanabe. Retrieved from https://idiyas.com/inventor/ryoji-watanabe-ibf16703
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 100.0
Average Co-Inventor Count = 1.2
ph-index = 1
Forward Citations = 11(Granted Patents)
Company Filing History:
2 out of 2 Violet Co., Ltd.
1 out of 98 Panasonic Energy Co., Ltd.
1 out of 3 Wako Technical Co., Ltd.
4. 1 out of 1
Wako Technical Co., Ltd., Both of
where one patent can have more than one assignee
Years Active: 1989-2023
Loading Chart...
3 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: Ryoji Watanabe. Retrieved from https://idiyas.com/inventor/ryoji-watanabe-ibf16703
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]