Inventor · disambiguated record
Tatsuo Nakagawa
Also filed as: NAKAGAWA TATSUO
36 granted patents·11 pending applications·344 citations·filing 1994–2024
96Inventor score
Top patents by PatentIndex Score
47 records- 0187US9880082B2Detection device that calculates a center of gravity of a container gap regionHITACHI HIGH TECH CORP·Filed 2014·Granted Jan 30, 2018·7 cites·11 claims
- 0286US7881684B2Receiver, frequency deviation measuring unit and positioning and ranging systemHITACHI LTD·Filed 2006·Granted Feb 1, 2011·10 cites·11 claims
- 0384US12018319B2Method and device for digital PCR measurementHITACHI LTD·Filed 2019·Granted Jun 25, 2024·2 cites·15 claims
- 0483US10514386B2Sample liquid-surface position measurement device and sample liquid-surface position measurement methodHITACHI HIGH TECH CORP·Filed 2017·Granted Dec 24, 2019·3 cites·13 claims
- 0581US5412655AMultiprocessing system for assembly/disassembly of asynchronous transfer mode cellsNEC CORP·Filed 1994·Granted May 2, 1995·75 cites·12 claims
- 0679US9658631B2Semiconductor integrated circuit device, power supply device, and method of controlling power supply deviceRENESAS ELECTRONICS CORP·Filed 2013·Granted May 23, 2017·4 cites·31 claims
- 0778US9973074B2Semiconductor integrated circuit deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted May 15, 2018·2 cites·8 claims
- 0877US8073465B2Reciever, frequency deviation measuring unit and positioning and ranging systemNAKAGAWA TATSUO·Filed 2010·Granted Dec 6, 2011·6 cites·12 claims
- 0974US5663959AATM cell switching apparatus having a control cell bypass routeNEC CORPORATIION·Filed 1995·Granted Sep 2, 1997·95 cites·6 claims
- 1073US9709497B2Transient absorption measurement method and transient absorption measurement apparatusUNISOKU CO LTD·Filed 2016·Granted Jul 18, 2017·3 cites·13 claims
- 1172US7830953B2Receiving apparatus, communication apparatus and control apparatus using the sameRENESAS ELECTRONICS CORP·Filed 2006·Granted Nov 9, 2010·5 cites·18 claims
- 1270US9194944B2Measurement deviceNAKAGAWA TATSUO·Filed 2010·Granted Nov 24, 2015·3 cites·15 claims
- 1368US8326243B2Electronic circuit and radio communications systemNAKAGAWA TATSUO·Filed 2009·Granted Dec 4, 2012·3 cites·14 claims
- 1468US2025075266A1Dna detection method and dna detection kitHITACHI LTD·Filed 2024·Application pending·0 cites
- 1567US9725753B2Biomolecule information analysis deviceONO KAZUO·Filed 2011·Granted Aug 8, 2017·1 cites·15 claims
- 1667US5774453AInput/output buffer type ATM switchNEC CORP·Filed 1996·Granted Jun 30, 1998·68 cites·4 claims
- 1767US2024417782A1Method and kit for genetic analysisHITACHI LTD·Filed 2024·Application pending·0 cites
- 1866US12013421B2Electronic circuit and sensor systemHITACHI ASTEMO LTD·Filed 2019·Granted Jun 18, 2024·1 cites·13 claims
- 1965US9728060B2Monitoring systemHITACHI LTD·Filed 2013·Granted Aug 8, 2017·2 cites·14 claims
- 2063US7664163B2ReceiverRENESAS TECH CORP·Filed 2005·Granted Feb 16, 2010·2 cites·5 claims
- 2161US6144635AAsynchronous transfer mode exchange systemNEC CORP·Filed 1997·Granted Nov 7, 2000·45 cites·6 claims
- 2257US10903735B2Semiconductor integrated circuit device and power supply deviceRENESAS ELECTRONICS CORP·Filed 2018·Granted Jan 26, 2021·0 cites·6 claims
- 2357US10389340B2Delay circuit, electronic circuit using delay circuit and ultrasonic imaging deviceHITACHI LTD·Filed 2013·Granted Aug 20, 2019·1 cites·14 claims
- 2456US12047062B2Electronic circuit and sensor systemHITACHI ASTEMO LTD·Filed 2020·Granted Jul 23, 2024·0 cites·8 claims
- 2555US12203852B2Digital PCR measuring deviceHITACHI LTD·Filed 2020·Granted Jan 21, 2025·0 cites·12 claims
- 2655US10613206B2Ultrasound probe and ultrasound imaging apparatus using the sameHITACHI LTD·Filed 2014·Granted Apr 7, 2020·1 cites·7 claims
- 2754US2024287597A1Biomolecule analysis method, biomolecule analyzing reagent, and biomolecule analysis deviceHITACHI HIGH TECH CORP·Filed 2021·Application pending·0 cites
- 2853US8265122B2ReceiverNAKAGAWA TATSUO·Filed 2009·Granted Sep 11, 2012·0 cites·20 claims
- 2950US10856845B2Ultrasound probe and ultrasound diagnosis device using the sameHITACHI LTD·Filed 2016·Granted Dec 8, 2020·0 cites·14 claims
- 3050US2022214326A1Biopolymer analysis device, biopolymer analysis equipment, and biopolymer analysis methodHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 3149US8792946B2Electronic circuit and radio communications systemNAKAGAWA TATSUO·Filed 2012·Granted Jul 29, 2014·0 cites·6 claims
- 3249US2024344120A1Dna detection method and dna detection systemHITACHI HIGH TECH CORP·Filed 2021·Application pending·0 cites
- 3349US2023268032A1Method for generating trained model, method for determining base sequence of biomolecule, and biomolecule measurement deviceHITACHI HIGH TECH CORP·Filed 2020·Application pending·0 cites
- 3448US12460163B2Measurement cell manufacturing method and measurement cellHITACHI LTD·Filed 2020·Granted Nov 4, 2025·0 cites·9 claims
- 3547US2022364164A1Digital pcr measurement method and measurement deviceHITACHI LTD·Filed 2020·Application pending·0 cites
- 3647US2010111146A1Communication device and communication systemRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 3746US11467016B2Semiconductor device and sensor systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Oct 11, 2022·0 cites·14 claims
- 3846US9572491B2Vital signal measurement device, and vital sign signal measurement systemNAKAGAWA TATSUO·Filed 2012·Granted Feb 21, 2017·0 cites·18 claims
- 3946US8248596B2CryostatINOUE YOSHIHISA·Filed 2009·Granted Aug 21, 2012·0 cites·8 claims
- 4046US2023053441A1Method and system for dna detectionHITACHI HIGH TECH CORP·Filed 2020·Application pending·0 cites
- 4145US9166474B2Power supply device with switching control device controlling switching based on pulse control signalNAKAGAWA TATSUO·Filed 2012·Granted Oct 20, 2015·0 cites·20 claims
- 4245US2007179633A1Terminal deviceHITACHI LTD·Filed 2007·Application pending·0 cites
- 4344US11271554B2Control circuit and sensor deviceHITACHI ASTEMO LTD·Filed 2019·Granted Mar 8, 2022·0 cites·11 claims
- 4444US2008090588A1Positioning systemMIZUGAKI KENICHI·Filed 2007·Application pending·0 cites
- 4540US11085913B2Biological sample analyzerHITACHI HIGH TECH CORP·Filed 2017·Granted Aug 10, 2021·0 cites·11 claims
- 4631US6563791B1Traffic shaping method and apparatusNEC CORP·Filed 1998·Granted May 13, 2003·3 cites·6 claims
- 4730US5421025ACell processing system having first and second processing units capable of outputting first and second processed signals at the same timeNEC CORP·Filed 1994·Granted May 30, 1995·2 cites·16 claims
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