Inventor · disambiguated record
Kenji Tomita
Also filed as: TOMITA KENJI
42 granted patents·8 pending applications·366 citations·filing 1986–2025
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD10TOMITA KENJI8DENSO CORP7KYOCERA CORP4KOITO MFG CO LTD3
Top patents by PatentIndex Score
50 records- 0191US9880508B2Drive transmission device and image forming apparatus incorporating sameTOMITA KENJI·Filed 2016·Granted Jan 30, 2018·7 cites·12 claims
- 0289US10374517B2Apparatus for controlling power converterSOKEN INC·Filed 2018·Granted Aug 6, 2019·6 cites·7 claims
- 0389US6447106B1Ink jet head and method for the manufacture thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 10, 2002·32 cites·10 claims
- 0487US8290413B2Image forming apparatusKOBAYASHI KAZUHIRO·Filed 2011·Granted Oct 16, 2012·5 cites·18 claims
- 0587US6426155B1Magnetic hard disc substrate and process for manufacturing the sameSHOWA DENKO KK·Filed 2000·Granted Jul 30, 2002·23 cites·2 claims
- 0686US8900088B2Clutch mechanism and image forming apparatus including sameYASUDA JUN·Filed 2012·Granted Dec 2, 2014·5 cites·5 claims
- 0785US11697563B2Sheet conveyance device, sheet feeding device, and image forming apparatusRICOH CO LTD·Filed 2021·Granted Jul 11, 2023·1 cites·8 claims
- 0885US6123603AMagnetic hard disc substrate and process for manufacturing the sameSHOWA ALUMINUM CORP·Filed 1998·Granted Sep 26, 2000·44 cites·10 claims
- 0981US6557986B2Ink jet head and method for the manufacture thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 6, 2003·19 cites·4 claims
- 1078US6467886B1Ink-jet head, method for fabricating same, and ink-jet recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 22, 2002·19 cites·16 claims
- 1177US10268143B2Drive device and image forming apparatus incorporating the drive deviceTANAKA KIMIHIRO·Filed 2017·Granted Apr 23, 2019·2 cites·11 claims
- 1277US8260179B2Image forming apparatus including first and second image forming devices and first and second belt unitsMIURA YOHEI·Filed 2010·Granted Sep 4, 2012·3 cites·16 claims
- 1377US2025309766A1Dc/dc converter control device and programDENSO CORP·Filed 2025·Application pending·0 cites
- 1477US2025300556A1Control device and program for dc-to-dc converterDENSO CORP·Filed 2025·Application pending·0 cites
- 1576US10429786B2Drive transmission device and image forming apparatus incorporating the drive transmission deviceTOMITA KENJI·Filed 2018·Granted Oct 1, 2019·1 cites·12 claims
- 1676US6688731B1Piezoelectric thin film element, ink jet recording head using such a piezoelectric thin film element, and their manufacture methodsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 10, 2004·17 cites·16 claims
- 1775US6364468B1Ink-jet head and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 2, 2002·30 cites·9 claims
- 1875US6361154B1Ink-jet head with piezoelectric actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 26, 2002·32 cites·6 claims
- 1974US8796962B2Drive unit, image forming apparatus incorporating same, peripherals incorporating same, and control method thereforMURATA TAKUYA·Filed 2011·Granted Aug 5, 2014·3 cites·12 claims
- 2074US6547376B1Ink jet head and method for the manufacture thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 15, 2003·16 cites·13 claims
- 2173US9127754B2Clutch mechanism and image forming apparatus with sameYASUDA JUN·Filed 2012·Granted Sep 8, 2015·2 cites·20 claims
- 2272US6478835B2Abrasive composition for polishing magnetic recording disk substratesSHOWA DENKO KK·Filed 2001·Granted Nov 12, 2002·7 cites·6 claims
- 2370US9602008B1Power conversion apparatus and method for controlling power conversion apparatusDENSO CORP·Filed 2015·Granted Mar 21, 2017·2 cites·96 claims
- 2470US9294001B2Power converter with dead-time control functionDENSO CORP·Filed 2014·Granted Mar 22, 2016·3 cites·17 claims
- 2570US9263978B2Drive unit, image forming apparatus incorporating same, peripherals incorporating same, and control method thereforMURATA TAKUYA·Filed 2014·Granted Feb 16, 2016·2 cites·16 claims
- 2667US10686374B2Control apparatus for power conversion apparatusSOKEN INC·Filed 2018·Granted Jun 16, 2020·1 cites·6 claims
- 2767US10591853B2Moving device and image forming apparatus incorporating the moving deviceTOMITA KENJI·Filed 2018·Granted Mar 17, 2020·1 cites·8 claims
- 2867US6879563B1Data repeater and multiplex communication system using the sameNIPPON SOKEN·Filed 2000·Granted Apr 12, 2005·14 cites·7 claims
- 2964US11204570B2Contact-separation mechanism, fixing device, and image forming apparatusRICOH CO LTD·Filed 2019·Granted Dec 21, 2021·0 cites·7 claims
- 3062US9071149B2Electric power conversion circuitDENSO CORP·Filed 2013·Granted Jun 30, 2015·2 cites·12 claims
- 3162US6332697B2Vehicle lamp and mounting memberKOITO MFG CO LTD·Filed 1999·Granted Dec 25, 2001·20 cites·20 claims
- 3262US2025214795A1Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceRICOH CO LTD·Filed 2024·Application pending·0 cites
- 3360US11960238B2Drive transmission device, drive unit, and image forming apparatusTOMITA KENJI·Filed 2023·Granted Apr 16, 2024·0 cites·12 claims
- 3460US2025162829A1Molded article, pressing device, sheet conveying device, and image forming apparatusTOMITA KENJI·Filed 2024·Application pending·0 cites
- 3560US2025015720A1Control apparatus for dc-to-dc converter and programDENSO CORP·Filed 2024·Application pending·0 cites
- 3659US9977393B2Drive transmission device and image forming apparatus incorporating sameTOMITA KENJI·Filed 2017·Granted May 22, 2018·0 cites·13 claims
- 3757US4744011AAutomobile lampKOITO MFG CO LTD·Filed 1986·Granted May 10, 1988·19 cites·4 claims
- 3856US11022921B2Image forming apparatusMAEHATA YASUHIRO·Filed 2020·Granted Jun 1, 2021·0 cites·19 claims
- 3955US4773943APhotovoltaic device and a method of producing the sameKYOCERA CORP·Filed 1987·Granted Sep 27, 1988·17 cites·11 claims
- 4054US2011036404A1Photoelectric Conversion Device and Photovoltaic Power Generation DeviceKYOCERA CORP·Filed 2009·Application pending·0 cites
- 4152US10461650B2Control device for DC-DC converterDENSO CORP·Filed 2019·Granted Oct 29, 2019·0 cites·4 claims
- 4252US6627264B1Method of manufacturing an ink-jet print head coated with a water repellent thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 30, 2003·4 cites·2 claims
- 4352US2005276902A1Method for producing cooked rice having egg flavorAJINOMOTO KK·Filed 2005·Application pending·0 cites
- 4450US6443566B1Ink-jet head and method of manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 3, 2002·4 cites·3 claims
- 4549US7829782B2Photovoltaic conversion device, optical power generator and manufacturing method of photovoltaic conversion deviceKYOCERA CORP·Filed 2005·Granted Nov 9, 2010·0 cites·22 claims
- 4648US10503102B2Drive transmitting device and image forming apparatus incorporating the drive transmitting deviceTOMITA KENJI·Filed 2019·Granted Dec 10, 2019·0 cites·18 claims
- 4748US10054884B2Drive transmission mechanism having a high reduction ratio for use in a fixing deviceTOMITA KENJI·Filed 2017·Granted Aug 21, 2018·0 cites·11 claims
- 4847US6971776B2Vehicle lampKOITO MFG CO LTD·Filed 2002·Granted Dec 6, 2005·3 cites·5 claims
- 4945US2009293934A1Photoelectric Conversion DeviceKYOCERA CORP·Filed 2006·Application pending·0 cites
- 5037US6871939B2Ink jet head and method for the manufacture thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 29, 2005·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →