Inventor · disambiguated record
Masakazu Umehara
Also filed as: UMEHARA MASAKAZU
25 granted patents·10 pending applications·87 citations·filing 1979–2023
93Inventor score
Files withTOYOTA MOTOR CO LTD18PRIMEARTH EV ENERGY CO LTD5UMEHARA MASAKAZU4FUJI KIKAI KOGYO KK3TENCHI KIKAI KK2
Top patents by PatentIndex Score
35 records- 0196US11673209B2Manufacturing method for an electrode with a separator layer and manufacturing apparatus for an electrode with a separator layerTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 13, 2023·6 cites·1 claims
- 0287US9486828B2Dual coating systemFUJI KIKAI KOGYO KK·Filed 2014·Granted Nov 8, 2016·8 cites·5 claims
- 0386US12266754B2Apparatus for manufacturing electrode body and method for manufacturing electrode bodyPRIMEARTH EV ENERGY CO LTD·Filed 2023·Granted Apr 1, 2025·2 cites·7 claims
- 0482US10707476B2Method of producing a negative electrode sheetTOYOTA MOTOR CO LTD·Filed 2018·Granted Jul 7, 2020·1 cites·7 claims
- 0582US5035315AMethod and apparatus for sorting objectsTENCHI KIKAI KK·Filed 1989·Granted Jul 30, 1991·47 cites·11 claims
- 0679US11811067B2Die head and die coaterTOYOTA MOTOR CO LTD·Filed 2022·Granted Nov 7, 2023·0 cites·18 claims
- 0778US11695121B2Electrode sheet, battery incorporating the electrode sheet, method for manufacturing the electrode sheet, method for manufacturing the battery incorporating the electrode sheet, and die headTOYOTA MOTOR CO LTD·Filed 2022·Granted Jul 4, 2023·0 cites·20 claims
- 0877US10411246B2Electrode and method of manufacturing electrodeTOYOTA MOTOR CO LTD·Filed 2016·Granted Sep 10, 2019·1 cites·5 claims
- 0974US11171363B2Method and device for producing electrode bodyTOYOTA MOTOR CO LTD·Filed 2021·Granted Nov 9, 2021·0 cites·4 claims
- 1068US11056721B2Method and device for producing electrode bodyTOYOTA MOTOR CO LTD·Filed 2018·Granted Jul 6, 2021·0 cites·10 claims
- 1167US11695120B2Electrode sheet, battery incorporating the electrode sheet, method for manufacturing the electrode sheet, method for manufacturing the battery incorporating the electrode sheet, and die headTOYOTA MOTOR CO LTD·Filed 2019·Granted Jul 4, 2023·0 cites·8 claims
- 1267US9548483B2Secondary battery, and electrode sheet cutting apparatusUMEHARA MASAKAZU·Filed 2011·Granted Jan 17, 2017·1 cites·6 claims
- 1367US8088513B2Anode and batteryMACHIDA MASAKI·Filed 2005·Granted Jan 3, 2012·1 cites·7 claims
- 1467US4249364AHeat-seal type wrapping apparatusTENCHI KIKAI KK·Filed 1979·Granted Feb 10, 1981·20 cites·4 claims
- 1563US12002942B2Method for manufacturing rechargeable batteryPRIMEARTH EV ENERGY CO LTD·Filed 2022·Granted Jun 4, 2024·0 cites·5 claims
- 1662US12487077B2Optical axis adjustment jig and optical axis adjustment methodTOYOTA MOTOR CO LTD·Filed 2023·Granted Dec 2, 2025·0 cites·3 claims
- 1761US10646958B2Manufacturing method for an electrode with a separator layer and manufacturing apparatus for an electrode with a separator layerTOYOTA MOTOR CO LTD·Filed 2016·Granted May 12, 2020·0 cites·3 claims
- 1859US9660250B2Secondary battery, and electrode sheet cutting apparatusTOYOTA MOTOR CO LTD·Filed 2016·Granted May 23, 2017·0 cites·9 claims
- 1958US2023187599A1Method for manufacturing rechargeable batteryPRIMEARTH EV ENERGY CO LTD·Filed 2022·Application pending·0 cites
- 2056US2024029236A1Inspection apparatus and method for calibrating inspection apparatusPRIMEARTH EV ENERGY CO LTD·Filed 2023·Application pending·0 cites
- 2152US12474153B2Measurement methodTOYOTA MOTOR CO LTD·Filed 2023·Granted Nov 18, 2025·0 cites·1 claims
- 2252US8790419B2Cell separator comprising protective layer manufacturing methodUMEHARA MASAKAZU·Filed 2009·Granted Jul 29, 2014·0 cites·8 claims
- 2352US2023256404A1Method for manufacturing slurry for insulation protective layer of rechargeable battery and device for manufacturing slurry for insulation protective layer of rechargeable batteryPRIMEARTH EV ENERGY CO LTD·Filed 2023·Application pending·0 cites
- 2452US2024011525A1Press roll apparatusTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2550US2024082871A1Coating deviceUrakami Taichi·Filed 2023·Application pending·0 cites
- 2649US2024158195A1Conveyor adapted for battery manufacturing processTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 2748US10164232B2Manufacturing method and manufacturing apparatus of electrode bodyTOYOTA MOTOR CO LTD·Filed 2016·Granted Dec 25, 2018·0 cites·6 claims
- 2848US2011212357A1Battery, vehicle, and battery-mounting equipmentUMEHARA MASAKAZU·Filed 2008·Application pending·0 cites
- 2945US10249869B2Method of producing electrode body and method of producing batteryTOYOTA MOTOR CO LTD·Filed 2017·Granted Apr 2, 2019·0 cites·6 claims
- 3044US9604246B2Double-sided coating deviceFUJI KIKAI KOGYO KK·Filed 2014·Granted Mar 28, 2017·0 cites·2 claims
- 3143US9669421B2Gravure kiss coaterFUJI KIKAI KOGYO KK·Filed 2014·Granted Jun 6, 2017·0 cites·2 claims
- 3243US2015086707A1Method for manufacturing a batteryUMEHARA MASAKAZU·Filed 2012·Application pending·0 cites
- 3341US10062921B2Electrode body and electrode body manufacturing methodTOYOTA MOTOR CO LTD·Filed 2015·Granted Aug 28, 2018·0 cites·8 claims
- 3440US2016190533A1Electrode bodyTOYOTA MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 3538US2013236791A1Battery and method for producing battery (as amended)OGANE SHINGO·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →