Inventor · disambiguated record
Hideo Maeda
Also filed as: MAEDA HIDEO
43 granted patents·5 pending applications·930 citations·filing 1983–2022
98Inventor score
Files withRICOH KK17MITSUBISHI ELECTRIC CORP8SANYO ELECTRIC CO5SONY SEMICONDUCTOR SOLUTIONS CORP4HITACHI CHEMICAL CO LTD2
Top patents by PatentIndex Score
48 records- 0197US8649176B2Display apparatus including cooling sectionOKADA TOMOHIKO·Filed 2011·Granted Feb 11, 2014·95 cites·5 claims
- 0291US5115423AOptomagnetic recording/reproducing apparatusRICOH KK·Filed 1989·Granted May 19, 1992·39 cites·9 claims
- 0391US5060212AIntegrated optical pick-up deviceRICOH KK·Filed 1988·Granted Oct 22, 1991·36 cites·10 claims
- 0489US5101389AOptical information recording/reproducing apparatusRICOH KK·Filed 1990·Granted Mar 31, 1992·52 cites·18 claims
- 0585US6500579B1Fuel cell structureMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 31, 2002·36 cites·4 claims
- 0685US5107477AIntegrated optical pick-up deviceRICOH KK·Filed 1991·Granted Apr 21, 1992·29 cites·9 claims
- 0784US11732124B2Compound and tabletHITACHI CHEMICAL CO LTD·Filed 2017·Granted Aug 22, 2023·1 cites·15 claims
- 0884US4935911AOptical head device for recording and reproducing informationRICOH KK·Filed 1988·Granted Jun 19, 1990·30 cites·9 claims
- 0983US4697165ACeramic heater and a method of manufacturing the sameNGK INSULATORS LTD·Filed 1985·Granted Sep 29, 1987·50 cites·14 claims
- 1082US6348280B1Fuel cellMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Feb 19, 2002·69 cites·9 claims
- 1182US5029154AOptical reproducing apparatusRICOH KK·Filed 1989·Granted Jul 2, 1991·30 cites·21 claims
- 1280US5956302AOptical pick-up device and method using a high-density double diffraction gratingRICOH KK·Filed 1997·Granted Sep 21, 1999·36 cites·14 claims
- 1379US5278817AOptical pick-up for use with an opto-magnetic signalRICOH KK·Filed 1992·Granted Jan 11, 1994·25 cites·18 claims
- 1474US5097462AIntegrated optical pick-up deviceRICOH KK·Filed 1991·Granted Mar 17, 1992·17 cites·5 claims
- 1573US7141328B2Fuel cellMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 28, 2006·12 cites·16 claims
- 1671US4448404ADevice for holding a sheet-like sampleNIPPON KOGAKU KK·Filed 1983·Granted May 15, 1984·25 cites·7 claims
- 1770US5325348AWavelength converting element and system for recording and reproducing optical informationRICOH KK·Filed 1992·Granted Jun 28, 1994·19 cites·18 claims
- 1868US5458669AProcess for purification of gallium materialSUMITOMO CHEMICAL CO·Filed 1993·Granted Oct 17, 1995·13 cites·7 claims
- 1966US5331650ALight source device and optical pickup using light source deviceRICOH KK·Filed 1992·Granted Jul 19, 1994·22 cites·12 claims
- 2065US6270917B1Fuel cellMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 7, 2001·36 cites·14 claims
- 2165US5775119AAir conditioner outdoor unit housingSANYO ELECTRIC CO·Filed 1995·Granted Jul 7, 1998·37 cites·4 claims
- 2265US5065206APhotoelectric converting device with accumulating gate regionNIKON CORP·Filed 1989·Granted Nov 12, 1991·20 cites·11 claims
- 2365US4952996AStatic induction and punching-through photosensitive transistor devicesZAIDAN HOJIN HANDOTAI KENKYU·Filed 1989·Granted Aug 28, 1990·20 cites·7 claims
- 2464US5579111AEncoding apparatus for making measurements of two-dimensional displacement of an objectRICOH KK·Filed 1995·Granted Nov 26, 1996·24 cites·22 claims
- 2564US5572323AInfinitesimal displacement measuring apparatus and optical pick-up unitRICOH KK·Filed 1994·Granted Nov 5, 1996·14 cites·36 claims
- 2663US5574558AOptical encoding apparatus for measuring displacement of an object using diffraction gratings and twice-diffracted and twice-transmitted lightRICOH KK·Filed 1995·Granted Nov 12, 1996·23 cites·7 claims
- 2760US7534517B2Fuel cell and method for manufacture thereofMITSUBISHI ELECTRIC CORP·Filed 2004·Granted May 19, 2009·4 cites·20 claims
- 2857US5812320AOptical encoder having high resolutionRICOH KK·Filed 1996·Granted Sep 22, 1998·18 cites·15 claims
- 2957US5652426AOptical encoder having high resolutionRICOH KK·Filed 1995·Granted Jul 29, 1997·18 cites·17 claims
- 3055US12130158B2Touch sensor device and electronic device equipped with touch sensor deviceSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2020·Granted Oct 29, 2024·0 cites·7 claims
- 3154US11894768B2DC/DC converterSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2021·Granted Feb 6, 2024·0 cites·5 claims
- 3254US4869075AAir conditionerSANYO ELECTRIC CO·Filed 1988·Granted Sep 26, 1989·18 cites·5 claims
- 3353US2024209168A1Monomer composition, molded body, bonded magnet, dust coreRESONAC CORP·Filed 2021·Application pending·0 cites
- 3453US2024177897A1Magnetic powder, compound, molded body, bonded magnet, and powder magnetic coreRESONAC CORP·Filed 2022·Application pending·0 cites
- 3551US7642325B2Non-sticky water-based conformal coating materialTOHPE CORP·Filed 2006·Granted Jan 5, 2010·0 cites·2 claims
- 3648US11336267B2Duty ratio correction circuit and signal generation circuitSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2019·Granted May 17, 2022·0 cites·18 claims
- 3746US11574160B2Non-contact communication medium, driving method therefor, and recording medium cartridgeSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2019·Granted Feb 7, 2023·0 cites·15 claims
- 3845US2020391287A1Compound powderHITACHI CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 3944US2005075459A1Non-sticky water-based conformal coating materialFiled 2004·Application pending·0 cites
- 4043US6329092B1Polymer electrolyte fuel cell and systems thereforMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 11, 2001·13 cites·12 claims
- 4143US5093749ADiffraction grating having incident and emitting side gratingsRICOH KK·Filed 1991·Granted Mar 3, 1992·10 cites·3 claims
- 4240US2006228611A1Fuel cell power generating system with deoxidation tankMITSUBISHI ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 4339US5019464AMolten carbonate fuel battery with electrolyte migration controlMITSUBISHI ELECTRIC CORP·Filed 1990·Granted May 28, 1991·8 cites·2 claims
- 4438US5735135AAir conditionerSANYO ELECTRIC CO·Filed 1997·Granted Apr 7, 1998·12 cites·19 claims
- 4536US5789011AModifier for protein-containing materials and modifier compositionKAO CORP·Filed 1995·Granted Aug 4, 1998·7 cites·53 claims
- 4634US4669534AAir conditionerSANYO ELECTRIC CO·Filed 1986·Granted Jun 2, 1987·8 cites·4 claims
- 4730US4847167AFiber-reinforced metallic composite materialSUMITOMO CHEMICAL CO·Filed 1988·Granted Jul 11, 1989·1 cites·5 claims
- 4829US4793148AAir conditioning apparatusSANYO ELECTRIC CO·Filed 1988·Granted Dec 27, 1988·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →