Inventor · disambiguated record
Hiroya Umeyama
Also filed as: UMEYAMA HIROYA
44 granted patents·4 pending applications·171 citations·filing 1997–2017
96Inventor score
Top patents by PatentIndex Score
48 records- 0197US9515313B2Nonaqueous electrolyte secondary battery and method of producing sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Dec 6, 2016·13 cites·11 claims
- 0293US10128476B2Sealed batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Nov 13, 2018·7 cites·3 claims
- 0391US10224564B2Nonaqueous electrolyte secondary battery and battery packTOYOTA MOTOR CO LTD·Filed 2016·Granted Mar 5, 2019·4 cites·7 claims
- 0491US6835332B2Process for producing an electrode material for a rechargeable lithium battery, an electrode structural body for a rechargeable lithium battery, process for producing said electrode structural body, a rechargeable lithium battery in which said electrode structural body is used, and a process for producing said rechargeable lithium batteryCANON KK·Filed 2001·Granted Dec 28, 2004·34 cites·69 claims
- 0591US5898292AProcess for evaluating remaining capacity of batteryHONDA MOTOR CO LTD·Filed 1997·Granted Apr 27, 1999·96 cites·12 claims
- 0689US10651460B2Nonaqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Granted May 12, 2020·3 cites·14 claims
- 0786US9972824B2Secondary battery and battery packTOYOTA MOTOR CO LTD·Filed 2017·Granted May 15, 2018·2 cites·7 claims
- 0886US9761853B2Non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Sep 12, 2017·2 cites·6 claims
- 0985US10050256B2Method of manufacturing positive electrode for lithium ion secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Granted Aug 14, 2018·2 cites·7 claims
- 1083US9705111B2Secondary battery and method for manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Jul 11, 2017·2 cites·3 claims
- 1177US9905846B2Lithium ion secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Feb 27, 2018·1 cites·1 claims
- 1275US10493563B2Method of manufacturing sealed batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Dec 3, 2019·1 cites·1 claims
- 1375US9960411B2Method of manufacturing negative electrode for nonaqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Granted May 1, 2018·1 cites·10 claims
- 1474US10103363B2Sealed battery and a method for manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2016·Granted Oct 16, 2018·1 cites·6 claims
- 1567US10964970B2Non-aqueous electrolytic secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Mar 30, 2021·1 cites·10 claims
- 1664US10224533B2Secondary battery comprising current interrupt deviceIMANISHI HIROAKI·Filed 2013·Granted Mar 5, 2019·1 cites·1 claims
- 1759US10026941B2Separator for nonaqueous electrolyte secondary battery, and battery including sameTOYOTA MOTOR CO LTD·Filed 2014·Granted Jul 17, 2018·0 cites·8 claims
- 1857US10320002B2Method for manufacturing electrode sheet and electrode sheetTOYOTA MOTOR CO LTD·Filed 2016·Granted Jun 11, 2019·0 cites·6 claims
- 1954US9741988B2Non-aqueous electrolyte secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 22, 2017·0 cites·3 claims
- 2053US10050248B2Secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 14, 2018·0 cites·6 claims
- 2152US10305109B2Nonaqueous electrolyte secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2016·Granted May 28, 2019·0 cites·5 claims
- 2252US10263239B2Method for manufacturing electrode sheetTOYOTA MOTOR CO LTD·Filed 2016·Granted Apr 16, 2019·0 cites·8 claims
- 2352US9929406B2Nonaqueous electrolyte secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Mar 27, 2018·0 cites·8 claims
- 2450US10461310B2Manufacturing method for non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Oct 29, 2019·0 cites·3 claims
- 2550US2005142446A1Process for producing an electrode material for a rechargeable lithium battery, an electrode structural body for a rechargeable lithium battery, process for producing said electrode structural body, a rechargeable lithium battery in which said electrode structural body is used, and a process for producing said rechargeable lithium batteryCANON KK·Filed 2004·Application pending·0 cites
- 2650US2005079414A1Process for producing an electrode material for a rechargeable lithium battery, an electrode structural body for a rechargeable lithium battery, process for producing said electrode structural body, a rechargeable lithium battery in which said electrode structural body is used, and a process for producing said rechargeable lithium batteryCANON KK·Filed 2004·Application pending·0 cites
- 2749US10431814B2Non-aqueous electrolyte secondary battery and method for manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Oct 1, 2019·0 cites·14 claims
- 2849US10147928B2Secondary battery and battery packTOYOTA MOTOR CO LTD·Filed 2017·Granted Dec 4, 2018·0 cites·7 claims
- 2948US10211440B2Nonaqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Feb 19, 2019·0 cites·6 claims
- 3047US10615447B2Secondary cell and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2017·Granted Apr 7, 2020·0 cites·7 claims
- 3147US10454098B2Nonaqueous electrolyte secondary battery including a positive electrode having a positive electrode mixture layer including a first powder and a second powderTOYOTA MOTOR CO LTD·Filed 2015·Granted Oct 22, 2019·0 cites·9 claims
- 3247US10193122B2Non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 29, 2019·0 cites·3 claims
- 3347US10014512B2Method of manufacturing electric power storage device, and electric power storage deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Jul 3, 2018·0 cites·19 claims
- 3447US9692048B2Nonaqueous electrolyte rechargeable batteryTOYOTA MOTOR CO LTD·Filed 2015·Granted Jun 27, 2017·0 cites·4 claims
- 3546US10511024B2Electrode for nonaqueous electrolyte secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2016·Granted Dec 17, 2019·0 cites·16 claims
- 3646US10468657B2Electrical storage device and manufacturing method for electrical storage deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Nov 5, 2019·0 cites·12 claims
- 3745US10326123B2Secondary batteryTOYOTA MOTOR CO LTD·Filed 2017·Granted Jun 18, 2019·0 cites·9 claims
- 3844US11094959B2Method of manufacturing secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 17, 2021·0 cites·2 claims
- 3944US10658665B2Lithium ion secondary battery having a negative electrode active material formed of a graphite material and a conductive carbon material different from the graphite materialTOYOTA MOTOR CO LTD·Filed 2016·Granted May 19, 2020·0 cites·10 claims
- 4042US10644354B2Method of manufacturing nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted May 5, 2020·0 cites·5 claims
- 4141US10944086B2Separator for battery, laminated separator, lithium ion secondary battery, and battery packTOYOTA MOTOR CO LTD·Filed 2015·Granted Mar 9, 2021·0 cites·8 claims
- 4241US10720671B2Nonaqueous electrolyte secondary battery and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2015·Granted Jul 21, 2020·0 cites·7 claims
- 4341US10340499B2Sealed secondary batteryUMEYAMA HIROYA·Filed 2012·Granted Jul 2, 2019·0 cites·8 claims
- 4441US2016064720A1Secondary-battery collector terminal and manufacturing method of secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4540US11302962B2Non-aqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Granted Apr 12, 2022·0 cites·20 claims
- 4640US10290842B2Producing method of sealed batteryTOYOTA MOTOR CO LTD·Filed 2016·Granted May 14, 2019·0 cites·4 claims
- 4740US2017358792A1Method of manufacturing nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4839US10340502B2Secondary battery and manufacturing method of secondary batteryTOYOTA MOTOR CO LTD·Filed 2015·Granted Jul 2, 2019·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Hiroya Umeyama 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 →