Inventor · disambiguated record
Tatsuya Usuki
Also filed as: USUKI TATSUYA
23 granted patents·4 pending applications·254 citations·filing 1993–2019
95Inventor score
Top patents by PatentIndex Score
27 records- 0196US9419410B2Optical semiconductor device and method for controlling driving circuitFUJITSU LTD·Filed 2015·Granted Aug 16, 2016·13 cites·4 claims
- 0294US5369288ASemiconductor device for switching a ballistic flow of carriersFUJITSU LTD·Filed 1993·Granted Nov 29, 1994·127 cites·12 claims
- 0388US10830950B2Optical transmitter-receiverFUJITSU LTD·Filed 2019·Granted Nov 10, 2020·2 cites·12 claims
- 0484US10164713B2Optical transmitter, optical modulator module, and optical transmission systemFUJITSU LTD·Filed 2018·Granted Dec 25, 2018·2 cites·11 claims
- 0580US9621279B2Optical receiver circuitNEC CORP·Filed 2014·Granted Apr 11, 2017·5 cites·18 claims
- 0678US7465595B2Quantum device, manufacturing method of the same and controlling method of the sameFUJITSU LTD·Filed 2005·Granted Dec 16, 2008·8 cites·27 claims
- 0775US6815759B2Semiconductor memory with floating gate type FETFUJITSU LTD·Filed 2000·Granted Nov 9, 2004·21 cites·6 claims
- 0874US6462374B2Semiconductor device and method for fabricating the sameFUJITSU LTD·Filed 2001·Granted Oct 8, 2002·19 cites·9 claims
- 0971US7288811B2Direct tunneling memory with separated transistor and tunnel areasFUJITSU LTD·Filed 2005·Granted Oct 30, 2007·4 cites·10 claims
- 1070US7432153B2Direct tunneling semiconductor memory device and fabrication process thereofFUJITSU LTD·Filed 2007·Granted Oct 7, 2008·4 cites·7 claims
- 1167US7768692B2Single-photon generatorFUJITSU LTD·Filed 2006·Granted Aug 3, 2010·3 cites·12 claims
- 1267US7462539B2Direct tunneling memory with separated transistor and tunnel areasFUJITSU LTD·Filed 2007·Granted Dec 9, 2008·3 cites·10 claims
- 1366US7795694B2Quantum device, manufacturing method of the same and controlling method of the sameFUJITSU LTD·Filed 2008·Granted Sep 14, 2010·3 cites·14 claims
- 1464US7700937B2Single-photon generating device, single-photon detecting device, and optical quantum gateFUJITSU LTD·Filed 2006·Granted Apr 20, 2010·2 cites·16 claims
- 1564US7288813B2Direct tunneling semiconductor memory device and fabrication process thereofFUJITSU LTD·Filed 2004·Granted Oct 30, 2007·10 cites·10 claims
- 1661US7679076B2Optical semiconductor device and method of manufacturing the sameFUJITSU LTD·Filed 2007·Granted Mar 16, 2010·1 cites·20 claims
- 1760US6195292B1Semiconductor memory with floating gate type FETFUJITSU LTD·Filed 1999·Granted Feb 27, 2001·20 cites·13 claims
- 1859US7492901B2Single-photon generator and single-photon generating methodFUJITSU LTD·Filed 2004·Granted Feb 17, 2009·6 cites·20 claims
- 1958US9874768B2Optical modulation deviceFUJITSU LTD·Filed 2017·Granted Jan 23, 2018·0 cites·4 claims
- 2058US7801309B2Private key delivery system and a private key delivery methodFUJITSU LTD·Filed 2005·Granted Sep 21, 2010·1 cites·11 claims
- 2151US11212214B2Parallel computer system, method of controlling a parallel computer system, and a non-temporary computer-readable medium that stores a programNEC CORP·Filed 2019·Granted Dec 28, 2021·0 cites·9 claims
- 2250US2008023779A1Photoelectric conversion elementFUJITSU LTD·Filed 2007·Application pending·0 cites
- 2348US2006003437A1Target detecting device and target capturer, device and method for molecular adsorption or desorption, and device and method for protein detectionFUJITSU LTD·Filed 2005·Application pending·0 cites
- 2448US2005266568A1Molecule-releasing apparatus and molecule-releasing medhodFUJITSU LTD·Filed 2005·Application pending·0 cites
- 2547US8942276B2Transmission apparatusFUJITSU LTD·Filed 2013·Granted Jan 27, 2015·0 cites·11 claims
- 2646US9500823B2Opto-electric integrated circuit and optical interposerNEC CORP·Filed 2015·Granted Nov 22, 2016·0 cites·10 claims
- 2741US2004201040A1Electronic deviceFiled 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tatsuya Usuki 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 →