Inventor · disambiguated record
Tatsumi Tsutsui
Also filed as: TSUTSUI TATSUMI
5 granted patents·1 pending application·85 citations·filing 1996–2007
81Inventor score
Top patents by PatentIndex Score
6 records- 0182US5789788ASemiconductor device with first and second wells which have opposite conductivity types and a third well region formed on one of the first and second wellsFUJITSU LTD·Filed 1996·Granted Aug 4, 1998·53 cites·26 claims
- 0267US7941832B2Authentication device, authentication system, and verification method for authentication deviceHITACHI OMRON TERMINAL SOLUTIONS CORP·Filed 2007·Granted May 10, 2011·7 cites·4 claims
- 0360US7430619B2Communication device, host apparatus, and communication methodFUJITSU LTD·Filed 2006·Granted Sep 30, 2008·2 cites·8 claims
- 0459US7143208B2Communication device, host apparatus, and communication methodFUJITSU LTD·Filed 2003·Granted Nov 28, 2006·6 cites·20 claims
- 0559US6326254B1Method of manufacturing semiconductor deviceFUJITSU LTD·Filed 1998·Granted Dec 4, 2001·17 cites·17 claims
- 0639US2005228934A1USB upstream device, USB connector, and USB cableFUJITSU LTD·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tatsumi Tsutsui files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →