This inventor holds 3 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Communications Co., Ltd.. Active years: 2000-2005.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Nakatsugawa. Retrieved from https://idiyas.com/inventor/tatsuo-nakatsugawa
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 66.7
Average Co-Inventor Count = 5.1
ph-index = 2
Forward Citations = 42(Granted Patents)
Location History:
- Tokyo, JP (2003)
- Utsunomiya, JP (2000 - 2005)
Company Filing History:
2 out of 27,375 
Matsushita Electric Industrial Co., Ltd.
2 out of 158 
Panasonic Communications Co., Ltd.
where one patent can have more than one assignee
Years Active: 2000-2005
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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: Tatsuo Nakatsugawa. Retrieved from https://idiyas.com/inventor/tatsuo-nakatsugawa
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]