Inventor · disambiguated record
Masamichi Yamada
Also filed as: YAMADA MASAMICHI
124 granted patents·11 pending applications·1,398 citations·filing 1982–2022
99Inventor score
Top patents by PatentIndex Score
135 records- 0196US7228096B2Paper ejection guide of fixing mechanism for image forming apparatus having simple jam clearing structureRICOH KK·Filed 2005·Granted Jun 5, 2007·25 cites·15 claims
- 0296US6516785B1Air flow sensorHITACHI LTD·Filed 2000·Granted Feb 11, 2003·87 cites·15 claims
- 0396US6088558AMethod and apparatus for suppressing belt shift in an image forming apparatusRICOH KK·Filed 1999·Granted Jul 11, 2000·89 cites·24 claims
- 0495US9091908B2Image projection apparatusYAMADA MASAMICHI·Filed 2012·Granted Jul 28, 2015·11 cites·5 claims
- 0595US8985786B2Image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Mar 24, 2015·14 cites·6 claims
- 0695US6577840B2Method and apparatus for image forming capable of effectively performing an image fixing processRICOH KK·Filed 2000·Granted Jun 10, 2003·57 cites·20 claims
- 0795US6557411B1Heating element type mass air flow sensor, and internal combustion engine-control apparatus using the sensorHITACHI LTD·Filed 2000·Granted May 6, 2003·70 cites·16 claims
- 0894US8689608B2Thermal gas sensorNAKANO HIROSHI·Filed 2010·Granted Apr 8, 2014·15 cites·13 claims
- 0993US11421815B2Stand, stand system, and rotating unit for display deviceRICOH CO LTD·Filed 2021·Granted Aug 23, 2022·5 cites·9 claims
- 1093US8515312B2Fixing device and image forming apparatus including sameYAMADA MASAMICHI·Filed 2011·Granted Aug 20, 2013·8 cites·8 claims
- 1193US7359664B2Fixing device for an image forming apparatus including supporting members for fixing belts of the fixing deviceRICOH KK·Filed 2005·Granted Apr 15, 2008·15 cites·23 claims
- 1293US7155332B2Method for obtaining exhaust gas flow quantity, exhaust gas flow measurement apparatus, and exhaust gas recirculation control systemHITACHI LTD·Filed 2005·Granted Dec 26, 2006·33 cites·19 claims
- 1392US7890039B2Sheet separation device, sheet conveyance apparatus, and image forming systemRICOH CO LTD·Filed 2008·Granted Feb 15, 2011·12 cites·6 claims
- 1492US7852070B2GMR sensor device having AC power supplyHITACHI LTD·Filed 2007·Granted Dec 14, 2010·27 cites·13 claims
- 1592US7751768B2Fixing device and image forming apparatus including fixing deviceRICOH KK·Filed 2007·Granted Jul 6, 2010·14 cites·10 claims
- 1692US7437927B2Thermal type gas flow meterHITACHI LTD·Filed 2007·Granted Oct 21, 2008·23 cites·15 claims
- 1792US6865363B2Method and apparatus for image forming capable of effectively performing an image fixing processRICOH KK·Filed 2002·Granted Mar 8, 2005·35 cites·13 claims
- 1891US9010940B2Image projection apparatusRICOH CO LTD·Filed 2014·Granted Apr 21, 2015·6 cites·20 claims
- 1991US7284424B2Thermal air flow rate measuring apparatus and its flowmeter and internal combustion engine and thermal air flow rate measuring method using itHITACHI CAR ENG CO LTD·Filed 2001·Granted Oct 23, 2007·47 cites·14 claims
- 2091US6351619B1Image forming apparatus, belt type fixing device and heating controlRICOH KK·Filed 2000·Granted Feb 26, 2002·40 cites·7 claims
- 2191US4422109AMagnetic recording and reproducing apparatus automatically adjustable to each individual magnetic tapeHITACHI LTD·Filed 1982·Granted Dec 20, 1983·46 cites·39 claims
- 2290US8744329B2Fixing device and image forming apparatus incorporating sameYAMADA MASAMICHI·Filed 2012·Granted Jun 3, 2014·5 cites·11 claims
- 2390US8203102B2Thermal type flow sensorNAKANO HIROSHI·Filed 2010·Granted Jun 19, 2012·8 cites·11 claims
- 2490US6923053B2Gas flowmeter and manufacturing method thereofHITACHI CAR ENG CO LTD·Filed 2004·Granted Aug 2, 2005·31 cites·7 claims
- 2590US6553204B1Fixing device for fixing a toner image in an image forming apparatusRICOH KK·Filed 2000·Granted Apr 22, 2003·35 cites·7 claims
- 2690US6091926AFixing device using a belt for an image forming apparatusRICOH KK·Filed 1999·Granted Jul 18, 2000·48 cites·31 claims
- 2788US8779337B2Thermal type flow sensor having bridge circuit and adjustment circuitNAKANO HIROSHI·Filed 2012·Granted Jul 15, 2014·6 cites·5 claims
- 2888US8359919B2Thermal humidity sensorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2010·Granted Jan 29, 2013·7 cites·13 claims
- 2988US8089233B2Physical quantity conversion sensor and motor control system using the sameKANEKAWA NOBUYASU·Filed 2008·Granted Jan 3, 2012·18 cites·21 claims
- 3087US9004697B2Image projection apparatusRICOH CO LTD·Filed 2014·Granted Apr 14, 2015·4 cites·9 claims
- 3187US7228614B2Method of manufacturing a gas flow meterHITACHI CAR ENG CO LTD·Filed 2005·Granted Jun 12, 2007·14 cites·1 claims
- 3286US8320808B2Image forming apparatus and fixing device with fine sheet separation functionYAMADA MASAMICHI·Filed 2010·Granted Nov 27, 2012·4 cites·7 claims
- 3386US7269999B2Thermal airflow meterHITACHI CAR ENG CO LTD·Filed 2006·Granted Sep 18, 2007·15 cites·10 claims
- 3486US6925280B2Fixing device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Aug 2, 2005·25 cites·48 claims
- 3586US4799118AThin film magnetic headHITACHI LTD·Filed 1986·Granted Jan 17, 1989·36 cites·12 claims
- 3685US8882277B2Image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Nov 11, 2014·5 cites·11 claims
- 3784US9052580B2Outer housing for an image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Jun 9, 2015·5 cites·6 claims
- 3883US9423676B2Lighting unit and image projectorTSUCHIYA SATOSHI·Filed 2014·Granted Aug 23, 2016·4 cites·5 claims
- 3983US9110360B2Image projection apparatusMIKUTSU YASUNARI·Filed 2013·Granted Aug 18, 2015·5 cites·2 claims
- 4083US8571455B2Fixing device and image forming apparatus including same having a separation plate assemblyYAMADA MASAMICHI·Filed 2011·Granted Oct 29, 2013·3 cites·9 claims
- 4183US7395707B2Thermal type flow rate measuring apparatusHITACHI LTD·Filed 2006·Granted Jul 8, 2008·9 cites·8 claims
- 4283US7010971B2Heating resistor type flow-measuring device having a heating resistor and a thermoresistance, whose resistance value varies in response to the ambient temperatureHITACHI CAR ENG CO LTD·Filed 2004·Granted Mar 14, 2006·31 cites·9 claims
- 4382US8811838B2Fixing device and image forming apparatus incorporating sameYAMADA MASAMICHI·Filed 2012·Granted Aug 19, 2014·3 cites·14 claims
- 4482US8346146B2Belt driving device, fixing device, and image forming apparatusRICOH CO LTD·Filed 2010·Granted Jan 1, 2013·3 cites·22 claims
- 4582US7360415B2Thermal type air flow meter having semiconductor sensor elements with similar diaphragm sizesHITACHI LTD·Filed 2005·Granted Apr 22, 2008·13 cites·11 claims
- 4682US6752014B1Hot-wire type air flow meter for internal combustion engineHITACHI LTD·Filed 2000·Granted Jun 22, 2004·28 cites·33 claims
- 4781US8717017B2Magnetic field detection apparatus and measurement apparatusSUZUKI MUTSUMI·Filed 2010·Granted May 6, 2014·5 cites·18 claims
- 4881US7685874B2Thermal type flow sensor with a constricted measuring passageHITACHI LTD·Filed 2007·Granted Mar 30, 2010·12 cites·9 claims
- 4980US9010939B2Image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Apr 21, 2015·3 cites·8 claims
- 5080US6553829B1Air flow sensor having grooved sensor elementHITACHI LTD·Filed 2000·Granted Apr 29, 2003·25 cites·16 claims
Showing the top 50 of 135 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →