Inventor · disambiguated record
Heihachiro Ebihara
Also filed as: EBIHARA HEIHACHIRO
41 granted patents·1 pending application·633 citations·filing 1975–2002
98Inventor score
Files withCITIZEN WATCH CO LTD41
Top patents by PatentIndex Score
42 records- 0193US4117475ADriver circuit for electrochromic display deviceCITIZEN WATCH CO LTD·Filed 1976·Granted Sep 26, 1978·37 cites·11 claims
- 0291US4149146ADriver circuit for electrochromic display deviceCITIZEN WATCH CO LTD·Filed 1977·Granted Apr 10, 1979·47 cites·3 claims
- 0391US4001808AElectronic device for monitoring power consumption of an electro-optical displayCITIZEN WATCH CO LTD·Filed 1975·Granted Jan 4, 1977·48 cites·17 claims
- 0484US6259492B1Electro-optical apparatus having antiferrodielectric liquid crystal panel with normalization to prevent white brighteningCITIZEN WATCH CO LTD·Filed 1997·Granted Jul 10, 2001·77 cites·23 claims
- 0582US4229668ATransistor circuit having a plurality of CMOS circuitsCITIZEN WATCH CO LTD·Filed 1978·Granted Oct 21, 1980·18 cites·8 claims
- 0681US4193255AElectronic timepiece with calendar functionCITIZEN WATCH CO LTD·Filed 1978·Granted Mar 18, 1980·18 cites·15 claims
- 0778US4087958ATimepiece apparatusCITIZEN WATCH CO LTD·Filed 1977·Granted May 9, 1978·17 cites·10 claims
- 0877US5583528AElectrooptical display deviceCITIZEN WATCH CO LTD·Filed 1994·Granted Dec 10, 1996·39 cites·34 claims
- 0973US6154069ACircuit for driving capacitive loadCITIZEN WATCH CO LTD·Filed 1997·Granted Nov 28, 2000·34 cites·4 claims
- 1071US4198579AInput circuit for portable electronic devicesCITIZEN WATCH CO LTD·Filed 1977·Granted Apr 15, 1980·12 cites·10 claims
- 1170US4255723AAmplitude control inverter circuit for electronic deviceCITIZEN WATCH CO LTD·Filed 1978·Granted Mar 10, 1981·12 cites·6 claims
- 1270US4224531AData transfer circuitCITIZEN WATCH CO LTD·Filed 1978·Granted Sep 23, 1980·12 cites·14 claims
- 1369US4148015AElectronic timepiece with an electrochromic displayCITIZEN WATCH CO LTD·Filed 1976·Granted Apr 3, 1979·18 cites·4 claims
- 1467US4164842ABuffer amplifier circuitCITIZEN WATCH CO LTD·Filed 1977·Granted Aug 21, 1979·16 cites·8 claims
- 1565US5841412AElectrooptical display deviceCITIZEN WATCH CO LTD·Filed 1997·Granted Nov 24, 1998·24 cites·4 claims
- 1663US5828354AElectrooptical display deviceCITIZEN WATCH CO LTD·Filed 1996·Granted Oct 27, 1998·27 cites·3 claims
- 1760US4196404ACrystal oscillator having low power consumptionCITIZEN WATCH CO LTD·Filed 1978·Granted Apr 1, 1980·12 cites·2 claims
- 1860US4074256ADriver circuit for driving electrochromic display deviceCITIZEN WATCH CO LTD·Filed 1976·Granted Feb 14, 1978·13 cites·21 claims
- 1958US4237420ATemperature sensing circuitCITIZEN WATCH CO LTD·Filed 1978·Granted Dec 2, 1980·15 cites·3 claims
- 2057US4266278APortable electronic device equipped with calculation and timekeeping functionsCITIZEN WATCH CO LTD·Filed 1979·Granted May 5, 1981·18 cites·6 claims
- 2156US4157588AMiniature type electronic deviceCITIZEN WATCH CO LTD·Filed 1977·Granted Jun 5, 1979·18 cites·9 claims
- 2254US4011002AElectronic device for detecting the energized state of a liquid crystal display cellCITIZEN WATCH CO LTD·Filed 1975·Granted Mar 8, 1977·6 cites·7 claims
- 2352US6232942B1Liquid crystal display deviceCITIZEN WATCH CO LTD·Filed 1996·Granted May 15, 2001·17 cites·7 claims
- 2450US5886755ALiquid crystal display deviceCITIZEN WATCH CO LTD·Filed 1996·Granted Mar 23, 1999·16 cites·10 claims
- 2550US4217654APortable electronic device equipped with timekeeping and calculation functionsCITIZEN WATCH CO LTD·Filed 1978·Granted Aug 12, 1980·5 cites·4 claims
- 2647US4142362ADigital display timepieceCITIZEN WATCH CO LTD·Filed 1977·Granted Mar 6, 1979·4 cites·17 claims
- 2746US4240150APortable timepiece calculator with power savings featureCITIZEN WATCH CO LTD·Filed 1978·Granted Dec 16, 1980·11 cites·1 claims
- 2845US4250571APortable electronic deviceCITIZEN WATCH CO LTD·Filed 1978·Granted Feb 10, 1981·4 cites·4 claims
- 2944US4096412ADriver circuit for electrochromic display deviceCITIZEN WATCH CO LTD·Filed 1976·Granted Jun 20, 1978·4 cites·21 claims
- 3044US4030338ATimepiece testing apparatusCITIZEN WATCH CO LTD·Filed 1976·Granted Jun 21, 1977·5 cites·13 claims
- 3143US4589097ANon-volatile memory circuit having a common write and erase terminalCITIZEN WATCH CO LTD·Filed 1983·Granted May 13, 1986·5 cites·4 claims
- 3243US4060974AMethod and apparatus for driving electrochromic display deviceCITIZEN WATCH CO LTD·Filed 1976·Granted Dec 6, 1977·4 cites·2 claims
- 3341US4487099AElectro-acoustic transducer drive circuit for producing damped waveform envelope musical notesCITIZEN WATCH CO LTD·Filed 1983·Granted Dec 11, 1984·3 cites·15 claims
- 3441US2005117626A1ThermometerFiled 2002·Application pending·0 cites
- 3539US5006933ALiquid crystal televisionCITIZEN WATCH CO LTD·Filed 1989·Granted Apr 9, 1991·5 cites·8 claims
- 3635US5945971ALiquid crystal display deviceCITIZEN WATCH CO LTD·Filed 1996·Granted Aug 31, 1999·5 cites·15 claims
- 3734US4208866AElectronic timepiece equipped with alarmCITIZEN WATCH CO LTD·Filed 1978·Granted Jun 24, 1980·2 cites·8 claims
- 3833US4258275AMiniature electronic deviceCITIZEN WATCH CO LTD·Filed 1978·Granted Mar 24, 1981·1 cites·6 claims
- 3932US4192135APortable electronic deviceCITIZEN WATCH CO LTD·Filed 1977·Granted Mar 11, 1980·1 cites·6 claims
- 4032US4190892AZero suppressing system for electronic deviceCITIZEN WATCH CO LTD·Filed 1978·Granted Feb 26, 1980·3 cites·7 claims
- 4130US4227192ADrive system for liquid crystal display deviceCITIZEN WATCH CO LTD·Filed 1978·Granted Oct 7, 1980·0 cites·12 claims
- 4229US4006584AElectronic timepieceCITIZEN WATCH CO LTD·Filed 1975·Granted Feb 8, 1977·0 cites·4 claims
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