Inventor · disambiguated record
Takashi Ichikawa
Also filed as: ICHIKAWA TAKASHI · OHASHI MASATSUGU
100 granted patents·34 pending applications·1,349 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
134 records- 0196US7136091B2Vehicle imaging apparatus, vehicle monitoring apparatus, and rearview mirrorTOKAI RIKA CO LTD·Filed 2002·Granted Nov 14, 2006·127 cites·5 claims
- 0295US8821684B2Substrate plasma processing apparatus and plasma processing methodUI AKIO·Filed 2009·Granted Sep 2, 2014·52 cites·5 claims
- 0395US7145436B2Door opening and closing apparatusTOKAI RIKA CO LTD·Filed 2003·Granted Dec 5, 2006·76 cites·15 claims
- 0495US6552653B2Communication system for a vehicle and vehicle accessory operation system that utilizes the communication systemTOKAI RIKA CO LTD·Filed 2001·Granted Apr 22, 2003·77 cites·16 claims
- 0594US11704815B2Tracking device, tracking method, and tracking systemTOSHIBA TEC KK·Filed 2021·Granted Jul 18, 2023·2 cites·20 claims
- 0688US7446813B2Active camera apparatus and robot apparatusTOSHIBA KK·Filed 2004·Granted Nov 4, 2008·33 cites·5 claims
- 0788USD565979SMonitor for vehicleALPINE ELECTRONICS INC·Filed 2007·Granted Apr 8, 2008·38 cites·1 claims
- 0888US5884981AWheel cover for a car and a clip deviceTOKAI RIKA CO LTD·Filed 1997·Granted Mar 23, 1999·51 cites·4 claims
- 0987US8696401B2Backspin toyICHIKAWA TAKASHI·Filed 2012·Granted Apr 15, 2014·11 cites·7 claims
- 1086USD280643SCombined stamp and cap thereforSHACHIHATA INDUSTRIAL·Filed 1983·Granted Sep 17, 1985·21 cites·1 claims
- 1185US6046756APrinter deviceTOSHIBA TEC KK·Filed 1996·Granted Apr 4, 2000·56 cites·16 claims
- 1283USD610125SAmplifierALPINE ELECTRONICS INC·Filed 2008·Granted Feb 16, 2010·34 cites·1 claims
- 1383USD582807SVehicle navigation unit with digital video playerALPINE ELECTRONICS INC·Filed 2008·Granted Dec 16, 2008·34 cites·1 claims
- 1483US5803552AAluminum wheelTOKAI RIKA CO LTD·Filed 1996·Granted Sep 8, 1998·47 cites·5 claims
- 1583US5023733AHead positioning control for a spindle motor disk driveSEIKO EPSON CORP·Filed 1990·Granted Jun 11, 1991·37 cites·57 claims
- 1683USD284014SStampSHACHIHATA INDUSTRIAL·Filed 1984·Granted May 27, 1986·22 cites·1 claims
- 1782US8375925B2Vaporized fuel processing device and methodMAHLE FILTER SYSTEMS JP CORP·Filed 2009·Granted Feb 19, 2013·11 cites·9 claims
- 1882USD280644SCombined stamp and cap thereforSHACHIHATA INDUSTRIAL·Filed 1983·Granted Sep 17, 1985·17 cites·1 claims
- 1981US8023806B2Heat processing furnace and vertical-type heat processing apparatusTOKYO ELECTRON LTD·Filed 2008·Granted Sep 20, 2011·7 cites·18 claims
- 2080USD772129SNavigation unit with installation panel for vehicleALPINE ELECTRONICS INC·Filed 2016·Granted Nov 22, 2016·20 cites·1 claims
- 2180US6949882B2Vehicle light controllerTOKAI RIKA CO LTD·Filed 2003·Granted Sep 27, 2005·22 cites·13 claims
- 2280US6622832B2Hydraulic shock absorberTOKICO LTD·Filed 2001·Granted Sep 23, 2003·22 cites·18 claims
- 2377USD827386SCooler box combined with amplifier and speakerALPINE ELECTRONICS INC·Filed 2017·Granted Sep 4, 2018·16 cites·1 claims
- 2477USD758265SInstallation panel for vehicleALPINE ELECTRONICS INC·Filed 2015·Granted Jun 7, 2016·18 cites·1 claims
- 2577US7974525B2Heat processing furnace and vertical-type heat processing apparatusTOKYO ELECTRON LTD·Filed 2008·Granted Jul 5, 2011·5 cites·6 claims
- 2677US7375440B2Vehicle electronic key systemTOKAI RIKA CO LTD·Filed 2003·Granted May 20, 2008·25 cites·15 claims
- 2777US7078540B1Substituted aromatic-ring compounds, process for producing the same, and useTAKEDA PHARMACEUTICAL·Filed 2000·Granted Jul 18, 2006·10 cites·5 claims
- 2877US5184257AHead positioning control for a spindle motor disk driveSEIKO EPSON CORP·Filed 1991·Granted Feb 2, 1993·26 cites·29 claims
- 2976US11775450B2Memory protection circuit and memory protection methodRENESAS ELECTRONICS CORP·Filed 2022·Granted Oct 3, 2023·0 cites·6 claims
- 3076US11332045B2Operation system and control methodALPINE ELECTRONICS INC·Filed 2020·Granted May 17, 2022·1 cites·7 claims
- 3174US7171293B2Vehicle drive system controllerTOKAI RIKA CO LTD·Filed 2003·Granted Jan 30, 2007·22 cites·7 claims
- 3273US8722177B2Transfer mold bodyTOKAI RIKA CO LTD·Filed 2013·Granted May 13, 2014·1 cites·13 claims
- 3373US7417059B2Substituted aromatic-ring compounds, process for producing the same and useTAKEDA PHARMACETICAL COMPANY L·Filed 2005·Granted Aug 26, 2008·3 cites·14 claims
- 3471US11526452B2Memory protection circuit and memory protection methodRENESAS ELECTRONICS CORP·Filed 2021·Granted Dec 13, 2022·0 cites·5 claims
- 3571USD549687SAmplifierALPINE ELECTRONICS INC·Filed 2006·Granted Aug 28, 2007·17 cites·1 claims
- 3671US2024029045A1Reading apparatus, transaction processing system, and method carried out by reading apparatusTOSHIBA TEC KK·Filed 2023·Application pending·0 cites
- 3770US8545070B2Door mirror device for a vehicleSAKIYAMA KOJI·Filed 2009·Granted Oct 1, 2013·11 cites·14 claims
- 3870US8209155B2Simulation method and simulation programICHIKAWA TAKASHI·Filed 2008·Granted Jun 26, 2012·5 cites·18 claims
- 3970USD579916SSpeaker for vehicleALPINE ELECTRONICS INC·Filed 2007·Granted Nov 4, 2008·17 cites·1 claims
- 4070US5982404AThermal transfer type color printerTOSHIBA TEC KK·Filed 1996·Granted Nov 9, 1999·18 cites·24 claims
- 4169US8548787B2Simulating a chemical reaction phenomenon in a semiconductor processTAMAOKI NAOKI·Filed 2006·Granted Oct 1, 2013·2 cites·9 claims
- 4269US8163869B1Purification method of carboxyl group-containing polyoxyethylene derivativeYOSHIMURA SHUICHI·Filed 2010·Granted Apr 24, 2012·2 cites·15 claims
- 4369US6450582B2Wheel coverTOKA RIKA DENKI SEISAKUSHO KK·Filed 2001·Granted Sep 17, 2002·15 cites·12 claims
- 4468USD898018SControl panel for inside a vehicleALPINE ELECTRONICS INC·Filed 2019·Granted Oct 6, 2020·10 cites·1 claims
- 4567US12153996B2Code reading device, program recording medium, code reading system, and code reading methodTOSHIBA TEC KK·Filed 2023·Granted Nov 26, 2024·0 cites·12 claims
- 4666USD793886SVehicle navigation unit with video disc playerALPINE ELECTRONICS INC·Filed 2016·Granted Aug 8, 2017·11 cites·1 claims
- 4766USD596620SSpeaker for vehicleALPINE ELECTRONICS INC·Filed 2008·Granted Jul 21, 2009·14 cites·1 claims
- 4866USD551205SAmplifierALPINE ELECTRONICS INC·Filed 2006·Granted Sep 18, 2007·14 cites·1 claims
- 4965US11119948B2Memory protection circuit and memory protection methodRENESAS ELECTRONICS CORP·Filed 2019·Granted Sep 14, 2021·0 cites·10 claims
- 5065US4416716AMethod of producing interior material of corrugated cardboardIKEDA BUSSAN CO·Filed 1982·Granted Nov 22, 1983·21 cites·6 claims
Showing the top 50 of 134 patent records by PatentIndex Score.
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