Assignee
EPSON CORP
JP·112 granted patents·3,101 citations·filing 1975–2001
Top patents by PatentIndex Score
112 records- 0199US4436439ASmall printerEPSON CORP·Filed 1981·Granted Mar 13, 1984·250 cites·66 claims
- 0298USD291442SComputerEPSON CORP·Filed 1984·Granted Aug 18, 1987·69 cites·1 claims
- 0398US4636866APersonal liquid crystal image displayEPSON CORP·Filed 1983·Granted Jan 13, 1987·213 cites·16 claims
- 0498USD276039SAutomotive instrument panelEPSON CORP·Filed 1982·Granted Oct 23, 1984·85 cites·1 claims
- 0597US4577203AInk jet recording apparatusEPSON CORP·Filed 1985·Granted Mar 18, 1986·204 cites·50 claims
- 0697USD282843SPortable electronic computerEPSON CORP·Filed 1983·Granted Mar 4, 1986·48 cites·1 claims
- 0797US4368478AInk supply system for ink jet printersEPSON CORP·Filed 1981·Granted Jan 11, 1983·143 cites·45 claims
- 0896US4421559AJet printing ink compositionEPSON CORP·Filed 1981·Granted Dec 20, 1983·82 cites·7 claims
- 0996US4380770AInk jet printerEPSON CORP·Filed 1980·Granted Apr 19, 1983·137 cites·18 claims
- 1095US4589000AInk jet printer of the ink-on-demand typeEPSON CORP·Filed 1985·Granted May 13, 1986·71 cites·1 claims
- 1195US4450454ASmall size ink jet printerEPSON CORP·Filed 1981·Granted May 22, 1984·75 cites·14 claims
- 1294US4489334AImmersible oxygen absorbing capsule for ink jet fluid supplyEPSON CORP·Filed 1982·Granted Dec 18, 1984·66 cites·26 claims
- 1394US4422084AFluid tank and device for detecting remaining fluidEPSON CORP·Filed 1980·Granted Dec 20, 1983·155 cites·26 claims
- 1493US4525728AInk jet recording headEPSON CORP·Filed 1983·Granted Jun 25, 1985·59 cites·8 claims
- 1593US4204180AEnd of paper roll detection assemblyEPSON CORP·Filed 1978·Granted May 20, 1980·59 cites·13 claims
- 1692US4168421AVoltage compensating drive circuit for a thermal printerEPSON CORP·Filed 1977·Granted Sep 18, 1979·40 cites·8 claims
- 1790US4487481ABacklighted liquid crystal displayEPSON CORP·Filed 1981·Granted Dec 11, 1984·90 cites·11 claims
- 1889US4462035ANon-impact recording deviceEPSON CORP·Filed 1982·Granted Jul 24, 1984·43 cites·21 claims
- 1989US4434430AInk jet printer headEPSON CORP·Filed 1982·Granted Feb 28, 1984·36 cites·26 claims
- 2088US4597635ALiquid crystal display device and a method of manufacturing the same from a folded plastic sheetEPSON CORP·Filed 1983·Granted Jul 1, 1986·61 cites·30 claims
- 2188US4526818ALiquid crystal display panel and process for the production thereofEPSON CORP·Filed 1983·Granted Jul 2, 1985·82 cites·24 claims
- 2288US4520374AInk jet printing apparatusEPSON CORP·Filed 1982·Granted May 28, 1985·40 cites·31 claims
- 2388US4471363AMethod and apparatus for driving an ink jet printer headEPSON CORP·Filed 1981·Granted Sep 11, 1984·49 cites·25 claims
- 2486US4352691ALiquid ink for printersEPSON CORP·Filed 1980·Granted Oct 5, 1982·41 cites·11 claims
- 2585US4567448AVariable frequency oscillatorEPSON CORP·Filed 1983·Granted Jan 28, 1986·40 cites·12 claims
- 2684US4452542ASerial printerEPSON CORP·Filed 1981·Granted Jun 5, 1984·31 cites·6 claims
- 2782USD279728SCarrying caseEPSON CORP·Filed 1983·Granted Jul 23, 1985·17 cites·1 claims
- 2882US4433925AManually-operated dot printer for pocket sized calculatorsEPSON CORP·Filed 1981·Granted Feb 28, 1984·28 cites·4 claims
- 2980US4553865AInk-supplied wire dot printerEPSON CORP·Filed 1983·Granted Nov 19, 1985·26 cites·12 claims
- 3080US4409596AMethod and apparatus for driving an ink jet printer headEPSON CORP·Filed 1981·Granted Oct 11, 1983·24 cites·27 claims
- 3179US4409600AThermal printer drive circuitEPSON CORP·Filed 1981·Granted Oct 11, 1983·24 cites·13 claims
- 3277US4420764AInk jet printer headEPSON CORP·Filed 1981·Granted Dec 13, 1983·22 cites·9 claims
- 3376US4806955AInk jet printer of the ink-on-demand typeEPSON CORP·Filed 1988·Granted Feb 21, 1989·16 cites·7 claims
- 3476US4465959AStep motor drive controlEPSON CORP·Filed 1982·Granted Aug 14, 1984·28 cites·27 claims
- 3576US4431319AMethod and apparatus for serial dot printingEPSON CORP·Filed 1981·Granted Feb 14, 1984·29 cites·8 claims
- 3675US4204778AWire type dot printer head assemblyEPSON CORP·Filed 1978·Granted May 27, 1980·16 cites·6 claims
- 3774USD275499SInk ribbon cartridgeEPSON CORP·Filed 1982·Granted Sep 11, 1984·14 cites·1 claims
- 3873US4457639AMotor control for printer carriageEPSON CORP·Filed 1982·Granted Jul 3, 1984·21 cites·6 claims
- 3973US4090410APaper feeding mechanismEPSON CORP·Filed 1977·Granted May 23, 1978·21 cites·18 claims
- 4071US6674423B2Drive unit and liquid crystal deviceEPSON CORP·Filed 2001·Granted Jan 6, 2004·13 cites·30 claims
- 4170US4546362ALow voltage ink-jet printheadEPSON CORP·Filed 1982·Granted Oct 8, 1985·16 cites·15 claims
- 4269US4565461APitch-changeable, cam-actuated paper feed for serial printerEPSON CORP·Filed 1983·Granted Jan 21, 1986·16 cites·11 claims
- 4368USD281426SKeyboard for an electronic computerEPSON CORP·Filed 1983·Granted Nov 19, 1985·10 cites·1 claims
- 4468US4364066AInk jet printing headEPSON CORP·Filed 1980·Granted Dec 14, 1982·13 cites·16 claims
- 4567US4252449AConstruction of wire type dot printer headEPSON CORP·Filed 1979·Granted Feb 24, 1981·12 cites·9 claims
- 4666US4635128APocket machinery cabinetEPSON CORP·Filed 1984·Granted Jan 6, 1987·17 cites·34 claims
- 4766USD282256SAcoustically coupled modemEPSON CORP·Filed 1983·Granted Jan 21, 1986·9 cites·1 claims
- 4866US4443807AInk jet print headEPSON CORP·Filed 1981·Granted Apr 17, 1984·13 cites·15 claims
- 4965USD279292SElectronic printerEPSON CORP·Filed 1983·Granted Jun 18, 1985·9 cites·1 claims
- 5065US4161912AMiniature printerEPSON CORP·Filed 1977·Granted Jul 24, 1979·13 cites·19 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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