Inventor · disambiguated record
Kenji Oshima
Also filed as: OSHIMA KENJI
67 granted patents·16 pending applications·760 citations·filing 1976–2025
99Inventor score
Files withSEIKO EPSON CORP17RISO KAGAKU CORP11MURATA MANUFACTURING CO10OSHIMA KENJI7OTIS ELEVATOR CO6
Top patents by PatentIndex Score
83 records- 0193US10407875B2Control system and work machineKOMATSU MFG CO LTD·Filed 2017·Granted Sep 10, 2019·7 cites·9 claims
- 0292US5124959AHour chime clockSEIKOSHA KK·Filed 1989·Granted Jun 23, 1992·102 cites·4 claims
- 0391US6390428B1Tube core and holders for stencil sheet rollRISO KAGAKU CORP·Filed 2000·Granted May 21, 2002·30 cites·4 claims
- 0490US7393095B2Ink jet recording apparatus and ink jet recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 1, 2008·38 cites·10 claims
- 0589US4902954AAlternating current motor control apparatusOSHIMA KENJI·Filed 1987·Granted Feb 20, 1990·54 cites·4 claims
- 0687US5294387AMethod of producing fiber-reinforced and particle-dispersion reinforced mullite composite materialAGENCY IND SCIENCE TECHN·Filed 1991·Granted Mar 15, 1994·40 cites·28 claims
- 0785US5376599ACarbon fiber reinforced silicon nitride based nanocomposite material and method for preparing sameNORITAKE CO LTD·Filed 1992·Granted Dec 27, 1994·42 cites·17 claims
- 0885US2024266602A1Lithium polymer batteryMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 0983US8564852B2Complex apparatusOSHIMA KENJI·Filed 2011·Granted Oct 22, 2013·6 cites·12 claims
- 1083USD614693SMulti function printerSEIKO EPSON CORP·Filed 2008·Granted Apr 27, 2010·28 cites·1 claims
- 1180US5241255AFailure detector for regeneration power absorbing meansOTIS ELEVATOR CO·Filed 1988·Granted Aug 31, 1993·32 cites·23 claims
- 1279US4993006ADevice for turning decoration for timepieceSEIKOSHA KK·Filed 1989·Granted Feb 12, 1991·36 cites·6 claims
- 1378US4095130ASynchronous motorSEIKOSHA KK·Filed 1976·Granted Jun 13, 1978·31 cites·4 claims
- 1477US6158553ACurtailed operation of multiple-wound induction motor following inverter failureOTIS ELEVATOR CO·Filed 1999·Granted Dec 12, 2000·39 cites·6 claims
- 1576US2025280086A1Printing apparatusSEIKO EPSON CORP·Filed 2025·Application pending·0 cites
- 1675US12489146B2Solid state batteryMURATA MANUFACTURING CO·Filed 2021·Granted Dec 2, 2025·0 cites·14 claims
- 1775US10344781B2Control system, work machine, and control methodKOMATSU MFG CO LTD·Filed 2016·Granted Jul 9, 2019·2 cites·10 claims
- 1875US9315031B2Ink jet recording apparatusSEIKO EPSON CORP·Filed 2013·Granted Apr 19, 2016·2 cites·17 claims
- 1974US11973187B2Lithium polymer batteryMURATA MANUFACTURING CO·Filed 2020·Granted Apr 30, 2024·0 cites·16 claims
- 2074USD815196SPrinterSEIKO EPSON CORP·Filed 2016·Granted Apr 10, 2018·12 cites·1 claims
- 2174US6846541B1Optical disc and process for the production of lavel thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 25, 2005·14 cites·9 claims
- 2274US5517913AStencil printing device using a sensor for detecting an ink typeRISO KAGAKU CORP·Filed 1993·Granted May 21, 1996·38 cites·9 claims
- 2374US5130617AInverter control device for driving an elevatorOTIS ELEVATOR CO·Filed 1991·Granted Jul 14, 1992·28 cites·2 claims
- 2473US12500317B2Solid-state batteryMURATA MANUFACTURING CO·Filed 2022·Granted Dec 16, 2025·0 cites·16 claims
- 2572US12406990B2Solid-state batteryMURATA MANUFACTURING CO·Filed 2022·Granted Sep 2, 2025·0 cites·18 claims
- 2671US9283765B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2013·Granted Mar 15, 2016·1 cites·12 claims
- 2771USD665015SPrinterMATSUNO ATSUHIKO·Filed 2011·Granted Aug 7, 2012·18 cites·1 claims
- 2870US9709076B2Hydraulic drive systemAKIYAMA TERUO·Filed 2012·Granted Jul 18, 2017·5 cites·8 claims
- 2970US7602152B2Vehicle-use power generation control apparatusDENSO CORP·Filed 2007·Granted Oct 13, 2009·8 cites·12 claims
- 3069US4051744AGear mechanism for preventing reverse rotationSEIKOSHA KK·Filed 1976·Granted Oct 4, 1977·18 cites·1 claims
- 3168US8490966B2Recording medium support device and recording apparatusIWAMA KAZUYOSHI·Filed 2008·Granted Jul 23, 2013·4 cites·4 claims
- 3268US7576520B2Power generation control device for vehicle generatorDENSO CORP·Filed 2006·Granted Aug 18, 2009·4 cites·8 claims
- 3368US2023261294A1Solid state batteryMURATA MANUFACTURING CO·Filed 2023·Application pending·0 cites
- 3468US2008278562A1Method of and system for controlling thermal head and stencil material rollOSHIMA KENJI·Filed 2008·Application pending·0 cites
- 3567US12034124B2Solid state battery comprising a concavoconvex shapeMURATA MANUFACTURING CO·Filed 2021·Granted Jul 9, 2024·0 cites·19 claims
- 3667US7816893B2Control apparatus for automotive alternator with function of initialization state detectionDENSO CORP·Filed 2007·Granted Oct 19, 2010·6 cites·20 claims
- 3766US5400204ASystem for detecting a breakage of a power cable for an elevator systemOTIS ELEVATOR CO·Filed 1993·Granted Mar 21, 1995·22 cites·15 claims
- 3864US2022140404A1Manufacturing method of solid state battery and solid state batteryMURATA MANUFACTURING CO·Filed 2022·Application pending·0 cites
- 3963US12418044B2Solid-state batteryMURATA MANUFACTURING CO·Filed 2022·Granted Sep 16, 2025·0 cites·14 claims
- 4062US9944101B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2016·Granted Apr 17, 2018·0 cites·1 claims
- 4162US9810246B2Hydraulic drive systemAKIYAMA TERUO·Filed 2012·Granted Nov 7, 2017·3 cites·13 claims
- 4262US4995478AStart compensation device for elevatorsOTIS ELEVATOR CO·Filed 1989·Granted Feb 26, 1991·18 cites·1 claims
- 4361USD856413SPrinterSEIKO EPSON CORP·Filed 2019·Granted Aug 13, 2019·6 cites·1 claims
- 4461US7344213B2Method and system for calculating ink residue and ink containerRISO KAGAKU CORP·Filed 2003·Granted Mar 18, 2008·8 cites·10 claims
- 4560US10604913B2Control system, work machine, and control methodKOMATSU MFG CO LTD·Filed 2016·Granted Mar 31, 2020·1 cites·8 claims
- 4660US9944100B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 17, 2018·0 cites·17 claims
- 4759US5077243AFiber-reinforced and particle-dispersion reinforced mullite composite material and method of producing the sameAGENCY IND SCIENCE TECHN·Filed 1991·Granted Dec 31, 1991·12 cites·23 claims
- 4859US2021043886A1Secondary batteryMURATA MANUFACTURING CO·Filed 2020·Application pending·0 cites
- 4958US8721065B2Ink jet printer and printing methodISHITOYA MITSUAKI·Filed 2006·Granted May 13, 2014·2 cites·12 claims
- 5058US6382097B2Stencil printing machine and a wrinkle preventing method on a stencil sheet of the stencil printing machineRISO KAGAKU CORP·Filed 2001·Granted May 7, 2002·6 cites·3 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kenji Oshima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →