Assignee
CITIZEN WATCH CO LTD
1,779 granted patents·74 pending applications·36,744 citations·filing 1973–2024
Top patents by PatentIndex Score
1,853 records- 0199USD269254SWrist watchCITIZEN WATCH CO LTD·Filed 1981·Granted Jun 7, 1983·126 cites·1 claims
- 0299US4345249ALiquid crystal display panelCITIZEN WATCH CO LTD·Filed 1980·Granted Aug 17, 1982·286 cites·8 claims
- 0399US4119368AElastomer display deviceCITIZEN WATCH CO LTD·Filed 1976·Granted Oct 10, 1978·248 cites·6 claims
- 0498US6690438B2Liquid crystal display panelCITIZEN WATCH CO LTD·Filed 2001·Granted Feb 10, 2004·176 cites·40 claims
- 0598US6338980B1Method for manufacturing chip-scale package and manufacturing IC chipCITIZEN WATCH CO LTD·Filed 2000·Granted Jan 15, 2002·293 cites·20 claims
- 0698US4451743ADC-to-DC Voltage converterCITIZEN WATCH CO LTD·Filed 1981·Granted May 29, 1984·1.6k cites·10 claims
- 0798US4345248ALiquid crystal display device with write-in capabilityCITIZEN WATCH CO LTD·Filed 1980·Granted Aug 17, 1982·234 cites·15 claims
- 0898US4143456ASemiconductor device insulation methodCITIZEN WATCH CO LTD·Filed 1977·Granted Mar 13, 1979·149 cites·8 claims
- 0997US6771327B2Liquid crystal display device with an input panelCITIZEN WATCH CO LTD·Filed 2001·Granted Aug 3, 2004·170 cites·19 claims
- 1097USD397796SHearing aidCITIZEN WATCH CO LTD·Filed 1997·Granted Sep 1, 1998·188 cites·1 claims
- 1197US4642619ANon-light-emitting liquid crystal color display deviceCITIZEN WATCH CO LTD·Filed 1983·Granted Feb 10, 1987·187 cites·4 claims
- 1297US4430648ACombination matrix array display and memory systemCITIZEN WATCH CO LTD·Filed 1981·Granted Feb 7, 1984·163 cites·4 claims
- 1396US6791905B1TimepieceCITIZEN WATCH CO LTD·Filed 1999·Granted Sep 14, 2004·60 cites·42 claims
- 1496US6751164B1Time pieceCITIZEN WATCH CO LTD·Filed 2000·Granted Jun 15, 2004·99 cites·21 claims
- 1596US6713235B1Method for fabricating thin-film substrate and thin-film substrate fabricated by the methodCITIZEN WATCH CO LTD·Filed 2000·Granted Mar 30, 2004·128 cites·19 claims
- 1696US6429840B1Method of driving color liquid crystal display panel and method of controlling display of timepieceCITIZEN WATCH CO LTD·Filed 2000·Granted Aug 6, 2002·90 cites·34 claims
- 1796US5815233AOptical device containing a liquid crystal element for changing optical characteristics of a lens elementCITIZEN WATCH CO LTD·Filed 1997·Granted Sep 29, 1998·223 cites·15 claims
- 1896US4932789ARadiation clinical thermometerCITIZEN WATCH CO LTD·Filed 1989·Granted Jun 12, 1990·130 cites·23 claims
- 1996US4170104ASwitch mechanism for wristwatchCITIZEN WATCH CO LTD·Filed 1977·Granted Oct 9, 1979·164 cites·22 claims
- 2096US3937004APortable miniature type information treating deviceCITIZEN WATCH CO LTD·Filed 1974·Granted Feb 10, 1976·81 cites·3 claims
- 2195US6762976B1Wristwatch caseCITIZEN WATCH CO LTD·Filed 2000·Granted Jul 13, 2004·55 cites·27 claims
- 2295US6646697B1Liquid crystal displayCITIZEN WATCH CO LTD·Filed 1998·Granted Nov 11, 2003·186 cites·16 claims
- 2395US5583744APortable computer with detachable battery packCITIZEN WATCH CO LTD·Filed 1995·Granted Dec 10, 1996·125 cites·26 claims
- 2495US5224059ADevice for measuring altitude and barometric pressureCITIZEN WATCH CO LTD·Filed 1991·Granted Jun 29, 1993·204 cites·20 claims
- 2595US4783772AWristwatch with pressure sensorCITIZEN WATCH CO LTD·Filed 1988·Granted Nov 8, 1988·182 cites·18 claims
- 2695USD297123SWrist watchCITIZEN WATCH CO LTD·Filed 1985·Granted Aug 9, 1988·57 cites·1 claims
- 2794US12216433B2Electronic time pieceCITIZEN WATCH CO LTD·Filed 2021·Granted Feb 4, 2025·4 cites·16 claims
- 2894US6846998B2Switch connecting structure for timepieceCITIZEN WATCH CO LTD·Filed 2003·Granted Jan 25, 2005·97 cites·5 claims
- 2994US6567060B1Liquid displayCITIZEN WATCH CO LTD·Filed 1998·Granted May 20, 2003·158 cites·25 claims
- 3094US6552767B1Liquid-crystal displayCITIZEN WATCH CO LTD·Filed 2000·Granted Apr 22, 2003·75 cites·23 claims
- 3194US6271901B1Liquid crystal display device with two reflective polarizers providing metallic appearance effectsCITIZEN WATCH CO LTD·Filed 1998·Granted Aug 7, 2001·152 cites·17 claims
- 3294US6191881B1Variable focal length lens panel and fabricating the sameCITIZEN WATCH CO LTD·Filed 1999·Granted Feb 20, 2001·196 cites·10 claims
- 3394US6185158B1Small electronic apparatus having function displayCITIZEN WATCH CO LTD·Filed 1997·Granted Feb 6, 2001·69 cites·8 claims
- 3494US6069711APortable printer/facsimile deviceCITIZEN WATCH CO LTD·Filed 1997·Granted May 30, 2000·229 cites·16 claims
- 3594US5496753AMethod of fabricating a semiconductor nonvolatile storage deviceCITIZEN WATCH CO LTD·Filed 1993·Granted Mar 5, 1996·128 cites·4 claims
- 3694US4653408ATable mechanism for controlling table attitudeCITIZEN WATCH CO LTD·Filed 1985·Granted Mar 31, 1987·87 cites·11 claims
- 3794US4602871AThermistor thermometerCITIZEN WATCH CO LTD·Filed 1985·Granted Jul 29, 1986·91 cites·7 claims
- 3894US4257115ASwitch structure for electronic timepieceCITIZEN WATCH CO LTD·Filed 1978·Granted Mar 17, 1981·72 cites·2 claims
- 3994USD243318SCombined wrist-watch case with bandCITIZEN WATCH CO LTD·Filed 1975·Granted Feb 8, 1977·48 cites·1 claims
- 4094US3971012ADisplay device employing special-purpose monogramsCITIZEN WATCH CO LTD·Filed 1974·Granted Jul 20, 1976·57 cites·3 claims
- 4194US3935486AFinely adjustable table assemblyCITIZEN WATCH CO LTD·Filed 1974·Granted Jan 27, 1976·83 cites·2 claims
- 4293US9798153B2Projection apparatusCITIZEN WATCH CO LTD·Filed 2015·Granted Oct 24, 2017·12 cites·7 claims
- 4393US7019809B2Liquid crystal display panel having an insulating member to protect lead electrodesCITIZEN WATCH CO LTD·Filed 2002·Granted Mar 28, 2006·54 cites·63 claims
- 4493US6858567B2Lubricating oil composition and watch using the sameCITIZEN WATCH CO LTD·Filed 2001·Granted Feb 22, 2005·64 cites·22 claims
- 4593US6847428B1Camera having a liquid crystal display deviceCITIZEN WATCH CO LTD·Filed 2000·Granted Jan 25, 2005·60 cites·18 claims
- 4693US6731181B2Temperature compensated oscillator using a control voltage generation circuitCITIZEN WATCH CO LTD·Filed 2001·Granted May 4, 2004·46 cites·35 claims
- 4793US6465879B1Structure for mounting semiconductor device, method of mounting same, semiconductor device, and method of fabricating sameCITIZEN WATCH CO LTD·Filed 2000·Granted Oct 15, 2002·98 cites·7 claims
- 4893US6084650ALCD having an area of color filter or reflector at each pixel region being smaller than an area of a pixel regionCITIZEN WATCH CO LTD·Filed 1997·Granted Jul 4, 2000·112 cites·4 claims
- 4993US5165798AElectronic clinical thermometer with soft flexible casingCITIZEN WATCH CO LTD·Filed 1991·Granted Nov 24, 1992·93 cites·7 claims
- 5093US4502204AMethod of manufacturing insulated gate thin film field effect transistorsCITIZEN WATCH CO LTD·Filed 1984·Granted Mar 5, 1985·68 cites·4 claims
Showing the top 50 of 1,853 patent records by PatentIndex Score.
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