Inventor · disambiguated record
Kazuya Yamamoto
Also filed as: YAMAMOTO KAZUYA
137 granted patents·28 pending applications·1,984 citations·filing 1975–2025
99Inventor score
Top patents by PatentIndex Score
165 records- 0197US8431494B2Film formation method and film formation apparatusMURAKAMI HIROKI·Filed 2011·Granted Apr 30, 2013·21 cites·6 claims
- 0297US8289102B2Directional couplerYAMAMOTO KAZUYA·Filed 2010·Granted Oct 16, 2012·76 cites·5 claims
- 0396US7907032B2Directional couplerMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Mar 15, 2011·38 cites·16 claims
- 0495US9221647B2Sheet folding apparatus, image forming apparatus, and image forming systemFURUHASHI TOMOHIRO·Filed 2013·Granted Dec 29, 2015·12 cites·12 claims
- 0595US9085436B2Sheet ejecting device, image forming system, and sheet ejecting methodSUZUKI JUNYA·Filed 2013·Granted Jul 21, 2015·12 cites·10 claims
- 0695US8936240B2Sheet discharging device, image forming system, and sheet discharging methodHOSHINO TOMOMICHI·Filed 2013·Granted Jan 20, 2015·13 cites·9 claims
- 0794US9348291B2Image forming apparatus and image forming system with correction mechanismYAMAMOTO KAZUYA·Filed 2015·Granted May 24, 2016·8 cites·15 claims
- 0894US7522001B2Power amplifierMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 21, 2009·28 cites·8 claims
- 0994US6043714APower amplifier incorporating heterojunction and silicon bipolar transistorsMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Mar 28, 2000·110 cites·5 claims
- 1093US7928804B2Power amplifierMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Apr 19, 2011·33 cites·4 claims
- 1193US7145397B2Output overvoltage protection circuit for power amplifierMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Dec 5, 2006·69 cites·10 claims
- 1293US5878331AIntegrated circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Mar 2, 1999·142 cites·8 claims
- 1392US9108821B2Sheet folding apparatus, image forming apparatus, and image forming systemNAKADA KYOSUKE·Filed 2013·Granted Aug 18, 2015·9 cites·8 claims
- 1492US8925917B2Sheet output device, sheet processing apparatus, image forming system, and sheet output methodWATANABE TAKAHIRO·Filed 2013·Granted Jan 6, 2015·9 cites·11 claims
- 1592US8393618B2Skew correction device, sheet handling apparatus, and image forming systemNAKADA KYOSUKE·Filed 2012·Granted Mar 12, 2013·10 cites·10 claims
- 1692US8354888B2Power amplifierMITSUBISHI ELECTRIC CORP·Filed 2011·Granted Jan 15, 2013·21 cites·11 claims
- 1792US8138836B2Emitter-follower type bias circuitMATSUZUKA TAKAYUKI·Filed 2010·Granted Mar 20, 2012·28 cites·6 claims
- 1892US6308047B1Radio-frequency integrated circuit for a radio-frequency wireless transmitter-receiver with reduced influence by radio-frequency power leakageMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Oct 23, 2001·168 cites·21 claims
- 1992US6066993ADuplexer circuit apparatus provided with amplifier and impedance matching inductorMITSUBISHI ELECTRIC CORP·Filed 1998·Granted May 23, 2000·147 cites·13 claims
- 2090US9561927B2Sheet discharging device, image forming system, and sheet discharging methodHOSHINO TOMOMICHI·Filed 2015·Granted Feb 7, 2017·4 cites·16 claims
- 2190US7400202B2Bias circuit for power amplifier operated by a low external reference voltageMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jul 15, 2008·23 cites·13 claims
- 2290US5548246APower amplifier including an impedance matching circuit and a switch FETMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Aug 20, 1996·114 cites·7 claims
- 2389US11334009B2Load controller and image forming apparatusOKI DATA KK·Filed 2021·Granted May 17, 2022·2 cites·13 claims
- 2489US8727345B2Sheet discharging device, sheet processing apparatus, image forming system, and sheet discharging methodKONNO KAZUNORI·Filed 2012·Granted May 20, 2014·9 cites·9 claims
- 2589US7993705B2Film formation apparatus and method for using the sameTOKYO ELECTRON LTD·Filed 2007·Granted Aug 9, 2011·15 cites·14 claims
- 2689US7918449B2Double-sided image forming deviceDUPLO SEIKO CORP·Filed 2007·Granted Apr 5, 2011·12 cites·9 claims
- 2789US5818278ALevel shift circuitMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Oct 6, 1998·71 cites·6 claims
- 2889US3988083ANon-contact vane pumpDAIHATSU KOGYO COMPANY LIMITED·Filed 1975·Granted Oct 26, 1976·44 cites·2 claims
- 2988US8485514B2Sheet processing apparatus, image forming system, and sheet processing methodSUGIYAMA KEISUKE·Filed 2011·Granted Jul 16, 2013·7 cites·12 claims
- 3088US7417507B2Bias circuit for power amplifier having a low degradation in distortion characteristicsMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Aug 26, 2008·20 cites·13 claims
- 3187US9016679B2Sheet processing apparatus and image forming systemKUNIEDA AKIRA·Filed 2013·Granted Apr 28, 2015·6 cites·8 claims
- 3287US7936219B2Power amplifier bias circuitMITSUBISHI ELECTRIC CORP·Filed 2010·Granted May 3, 2011·12 cites·15 claims
- 3386US9102117B2Sheet processing apparatus, image forming system, and sheet folding methodSUZUKI YUUJI·Filed 2013·Granted Aug 11, 2015·11 cites·20 claims
- 3486US8702087B2Sheet handling apparatus, image forming system, and sheet reception control methodFURUHASHI TOMOHIRO·Filed 2012·Granted Apr 22, 2014·6 cites·6 claims
- 3586US7688133B2Power amplifierMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Mar 30, 2010·15 cites·3 claims
- 3686US5760652AIntegrated circuit deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jun 2, 1998·80 cites·10 claims
- 3785US9685949B2ESD protection circuit and RF switchMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jun 20, 2017·4 cites·3 claims
- 3885US9260264B2Sheet discharging device, image forming system, and sheet discharging methodHOSHINO TOMOMICHI·Filed 2014·Granted Feb 16, 2016·4 cites·19 claims
- 3985US8461929B2Power amplifierYAMAMOTO KAZUYA·Filed 2011·Granted Jun 11, 2013·8 cites·13 claims
- 4084US9184485B2Directional couplerMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 10, 2015·6 cites·10 claims
- 4183US8960660B2Sheet processing apparatus and image forming systemFURUHASHI TOMOHIRO·Filed 2013·Granted Feb 24, 2015·4 cites·10 claims
- 4282US9075377B2Recording medium discharging deviceNAGASAKO SHUUYA·Filed 2013·Granted Jul 7, 2015·4 cites·8 claims
- 4382US7616060B2Power amplifierMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Nov 10, 2009·12 cites·16 claims
- 4481US9379402B2Anion conducting electrolyte membrane and manufacturing method thereofJAPAN ATOMIC ENERGY AGENCY·Filed 2013·Granted Jun 28, 2016·3 cites·6 claims
- 4581US8049483B2Reference voltage generation circuit and bias circuitMITSUBISHI ELECTRIC CORP·Filed 2009·Granted Nov 1, 2011·12 cites·9 claims
- 4680US8432227B2Power amplifierOKAMURA ATSUSHI·Filed 2011·Granted Apr 30, 2013·8 cites·6 claims
- 4780US6278328B1Power amplifierMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 21, 2001·43 cites·14 claims
- 4880US5699018ANegative voltage generatorMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Dec 16, 1997·67 cites·12 claims
- 4979US10438942B2Field-effect transistor with protection diodesMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Oct 8, 2019·3 cites·17 claims
- 5079US8931773B2Sheet folding device having inclined stacking surfaceSUGIYAMA KEISUKE·Filed 2012·Granted Jan 13, 2015·4 cites·10 claims
Showing the top 50 of 165 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →