Inventor · disambiguated record
Tetsuo Ito
Also filed as: ITO TETSUO · MASUHARA EIICHI · SUZUKI MASAYOSHI
67 granted patents·3 pending applications·1,255 citations·filing 1973–2022
99Inventor score
Top patents by PatentIndex Score
70 records- 0195US4651172AInformation recording mediumHITACHI LTD·Filed 1985·Granted Mar 17, 1987·78 cites·18 claims
- 0293US10737896B2Image reading apparatusBROTHER IND LTD·Filed 2019·Granted Aug 11, 2020·8 cites·8 claims
- 0391US5407880ACatalysts for adsorption of hydrocarbonsNISSAN MOTOR·Filed 1993·Granted Apr 18, 1995·95 cites·4 claims
- 0491US4773060AOptical information recording deviceHITACHI LTD·Filed 1985·Granted Sep 20, 1988·44 cites·16 claims
- 0590US5581242AAutomatic alarm display processing system in plantHITACHI LTD·Filed 1994·Granted Dec 3, 1996·111 cites·13 claims
- 0690US4045767AMethod of ultrasonic data communication and apparatus for carrying out the methodHITACHI LTD·Filed 1973·Granted Aug 30, 1977·45 cites·9 claims
- 0789US6530141B2Method of forming thin film magnetic recording head with narrow track width performing high density recording at high driving frequencyHITACHI LTD·Filed 2001·Granted Mar 11, 2003·24 cites·12 claims
- 0886US7482701B2Production equipment of resin molding semiconductor device, method of manufacturing resin molding semiconductor device, and resin molding semiconductor devicePANASONIC CORP·Filed 2007·Granted Jan 27, 2009·15 cites·16 claims
- 0986US5701394AInformation processing apparatus having a neural network and an expert systemHITACHI LTD·Filed 1995·Granted Dec 23, 1997·122 cites·47 claims
- 1085US4654590AMethod and apparatus for detecting the position of a movable object utilizing the magnetostrictive effect to generate ultrasonic wavesHITACHI LTD·Filed 1984·Granted Mar 31, 1987·37 cites·5 claims
- 1185US3971287ADamper for string instrumentITO TETSUO·Filed 1974·Granted Jul 27, 1976·31 cites·11 claims
- 1284US8587840B2Image reading apparatusITO TETSUO·Filed 2011·Granted Nov 19, 2013·4 cites·13 claims
- 1383US4811328AOptical recording and reproducing deviceHITACHI LTD·Filed 1985·Granted Mar 7, 1989·30 cites·16 claims
- 1481US11820126B2Liquid discharge deviceBROTHER IND LTD·Filed 2022·Granted Nov 21, 2023·0 cites·8 claims
- 1581US6091582AThin film magnetic recording head with very narrow track width performing high density recording at high driving frequencyHITACHI LTD·Filed 1998·Granted Jul 18, 2000·31 cites·14 claims
- 1681US4494954AProcess for producing colored contact lensJAPAN SYNTHETIC RUBBER CO LTD·Filed 1982·Granted Jan 22, 1985·31 cites·24 claims
- 1780US10865065B2Image reading deviceBROTHER IND LTD·Filed 2019·Granted Dec 15, 2020·2 cites·8 claims
- 1878US4673974AImage transmission systemHITACHI LTD·Filed 1986·Granted Jun 16, 1987·54 cites·4 claims
- 1978US4542479ADistributed control systemHITACHI LTD·Filed 1982·Granted Sep 17, 1985·34 cites·5 claims
- 2077US9131092B2Image reading deviceITO TETSUO·Filed 2013·Granted Sep 8, 2015·3 cites·13 claims
- 2177US5120082AMud guard with reinforcement filmKINUGAWA RUBBER IND·Filed 1991·Granted Jun 9, 1992·38 cites·5 claims
- 2277US4879087ANuclear power plantHITACHI LTD·Filed 1988·Granted Nov 7, 1989·34 cites·17 claims
- 2377US4718053AOptical information apparatus and method of recording and erasing informationHITACHI LTD·Filed 1985·Granted Jan 5, 1988·23 cites·21 claims
- 2477US4400059ALiquid crystal display deviceHITACHI LTD·Filed 1981·Granted Aug 23, 1983·11 cites·6 claims
- 2576US9884737B2Sheet separating apparatusBROTHER IND LTD·Filed 2015·Granted Feb 6, 2018·2 cites·16 claims
- 2676US6496451B2Objective lens driving device and optical disc apparatusHITACHI LTD·Filed 2001·Granted Dec 17, 2002·11 cites·15 claims
- 2775US8792146B2Image reading apparatusITO TETSUO·Filed 2013·Granted Jul 29, 2014·3 cites·10 claims
- 2875US5777896APlant operating and monitoring apparatusHITACHI LTD·Filed 1997·Granted Jul 7, 1998·52 cites·15 claims
- 2972US11491798B2Liquid discharge deviceBROTHER IND LTD·Filed 2021·Granted Nov 8, 2022·0 cites·7 claims
- 3072US5748495APlant operating and monitoring apparatusHITACHI LTD·Filed 1995·Granted May 5, 1998·45 cites·13 claims
- 3171US9309069B2Sheet separating apparatusBROTHER IND LTD·Filed 2015·Granted Apr 12, 2016·2 cites·20 claims
- 3270US11623837B2Image reading apparatusBROTHER IND LTD·Filed 2020·Granted Apr 11, 2023·0 cites·10 claims
- 3369US5287264AMulticontroller apparatus, multicontroller system, nuclear reactor protection system, inverter control system and diagnostic deviceHITACHI LTD·Filed 1993·Granted Feb 15, 1994·27 cites·16 claims
- 3467US8385056B2Two-axis hinge and mobile deviceCASIO HITACHI MOBILE COMM CO·Filed 2010·Granted Feb 26, 2013·2 cites·14 claims
- 3567US5292696AHydrocarbon adsorbing bodyNISSAN MOTOR·Filed 1992·Granted Mar 8, 1994·24 cites·16 claims
- 3666US9738480B2Sheet conveying apparatusBROTHER IND LTD·Filed 2015·Granted Aug 22, 2017·1 cites·13 claims
- 3763US8860958B2Sheet conveyer devices, image reading apparatuses, and image forming apparatusesITO TETSUO·Filed 2012·Granted Oct 14, 2014·2 cites·9 claims
- 3862US11092924B2Image forming apparatus having a drive unit including a torsion springBROTHER IND LTD·Filed 2019·Granted Aug 17, 2021·0 cites·8 claims
- 3961US4550001AProcess for producing shaped articles having improved surfacesJAPAN SYNTHETIC RUBBER CO LTD·Filed 1984·Granted Oct 29, 1985·16 cites·14 claims
- 4061US4440715AMethod of controlling nuclear power plantHITACHI LTD·Filed 1980·Granted Apr 3, 1984·16 cites·7 claims
- 4160US3990071AData transmission system using frequency permutation codesHITACHI LTD·Filed 1974·Granted Nov 2, 1976·11 cites·9 claims
- 4259US7241717B2Cathode catalyst for fuel cellTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 10, 2007·3 cites·3 claims
- 4357US12226830B2Composite magnetic material, electrical and electronic device, and method of manufacturing composite magnetic materialTOKIN CORP·Filed 2020·Granted Feb 18, 2025·0 cites·15 claims
- 4457US8125079B2Molded semiconductor device, apparatus for producing the same, and method for manufacturing the sameITO TETSUO·Filed 2007·Granted Feb 28, 2012·1 cites·3 claims
- 4556US4476904ADevice for measuring the length of a weftTOYODA AUTOMATIC LOOM WORKS·Filed 1982·Granted Oct 16, 1984·5 cites·10 claims
- 4655US4184086ASemiconductor switchHITACHI LTD·Filed 1978·Granted Jan 15, 1980·7 cites·8 claims
- 4754US11342201B2Substrate processing apparatusSCREEN HOLDINGS CO LTD·Filed 2020·Granted May 24, 2022·0 cites·13 claims
- 4851US7775812B2Connection device to which electric device is connected and having dust-proof functionPANASONIC CORP·Filed 2008·Granted Aug 17, 2010·4 cites·2 claims
- 4950US4738910AMethod of applying a resistHITACHI LTD·Filed 1986·Granted Apr 19, 1988·10 cites·6 claims
- 5049US11315820B2Substrate processing device and substrate processing methodSCREEN HOLDINGS CO LTD·Filed 2020·Granted Apr 26, 2022·0 cites·16 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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