Inventor · disambiguated record
Takehiro Ishikawa
Also filed as: ISHIKAWA TAKEHIRO
21 granted patents·451 citations·filing 1976–2023
95Inventor score
Files withSEIKO INSTR & ELECTRONICS7ALPS ELECTRIC CO LTD4SHIMADZU CORP3HITACHI LTD2FUJIFILM RI PHARMA CO LTD1
Top patents by PatentIndex Score
21 records- 0191US6374327B2Method of data migrationHITACHI LTD·Filed 2001·Granted Apr 16, 2002·80 cites·2 claims
- 0290US6230239B1Method of data migrationHITACHI LTD·Filed 1997·Granted May 8, 2001·161 cites·76 claims
- 0382US4551031AElectronic clinical thermometerSEIKO INSTR & ELECTRONICS·Filed 1983·Granted Nov 5, 1985·48 cites·15 claims
- 0472US5258866AMethod of connecting liquid crystal display and circuit board with thermal expansion compensationALPS ELECTRIC CO LTD·Filed 1992·Granted Nov 2, 1993·41 cites·4 claims
- 0571US12494612B2Method of bonding operation wire and medical equipmentOLYMPUS CORP·Filed 2023·Granted Dec 9, 2025·0 cites·9 claims
- 0670US10903038B2Charged particle beam axial alignment device, charged particle beam irradiation device and charged particle beam axial alignment methodSHIMADZU CORP·Filed 2019·Granted Jan 26, 2021·1 cites·7 claims
- 0766US5283677ALiquid crystal display with ground regions between terminal groupsALPS ELECTRIC CO LTD·Filed 1992·Granted Feb 1, 1994·31 cites·1 claims
- 0861US8360473B2Luggage support hook for a scooter-type motorcycle, and motorcycle incorporating sameHONDA MOTOR CO LTD·Filed 2010·Granted Jan 29, 2013·2 cites·19 claims
- 0961US5027686AElectronic metronome equipped with subtraction timerSEIKO INSTR INC·Filed 1989·Granted Jul 2, 1991·18 cites·7 claims
- 1061US4123896ADigital electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Nov 7, 1978·10 cites·5 claims
- 1160US11619600B2Surface analyzerSHIMADZU CORP·Filed 2021·Granted Apr 4, 2023·0 cites·8 claims
- 1256US5555116ALiquid crystal display having adjacent electrode terminals set equal in lengthALPS ELECTRIC CO LTD·Filed 1994·Granted Sep 10, 1996·21 cites·6 claims
- 1355US10098608B2Information processing apparatus for calculating index for supporting diagnosis of subjectFUJIFILM RI PHARMA CO LTD·Filed 2014·Granted Oct 16, 2018·1 cites·20 claims
- 1453US4104864AElectronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Aug 8, 1978·7 cites·1 claims
- 1545USD652772SFront top cover for motor scooterISHIKAWA TAKEHIRO·Filed 2011·Granted Jan 24, 2012·6 cites·1 claims
- 1644US10504685B2Charged particle beam axial alignment device, charged particle beam irradiation device and charged particle beam axial alignment methodSHIMADZU CORP·Filed 2019·Granted Dec 10, 2019·0 cites·13 claims
- 1741US6057819ALiquid crystal display apparatus and drive circuitry used in the same apparatusALPS ELECTRIC CO LTD·Filed 1997·Granted May 2, 2000·9 cites·1 claims
- 1841US4396295AElectronic timepiece with dot matrix displaySEIKO INSTR & ELECTRONICS·Filed 1980·Granted Aug 2, 1983·6 cites·5 claims
- 1939US4091609ADigital electronic timepieceSEIKO INSTR & ELECTRONICS·Filed 1976·Granted May 30, 1978·3 cites·2 claims
- 2034US4638247AIntegrated circuit for converting a drive signal of three or more voltage levels to two voltage levelsSEIKO INSTR & ELECTRONICS·Filed 1982·Granted Jan 20, 1987·4 cites·2 claims
- 2134US4051664ADrive circuit of light emitting means for liquid crystal electronic watchSEIKO INSTR & ELECTRONICS·Filed 1976·Granted Oct 4, 1977·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →