Graphite-based negative electrode active material
US-12374690-B2 · Jul 29, 2025 · US
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Oyama Yutaka patents
Oyama Yutaka is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Oyama Yutaka |
| Total patents | 28 |
| First publication | Mar 26, 2015 |
| Latest publication | Jul 29, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Processing method for battery member
US-2025046901-A1 · Feb 6, 2025 · US
Negative electrode, battery, and method of producing negative electrode
US-11539048-B2 · Dec 27, 2022 · US
Graphite-based negative electrode active material
US-2022223863-A1 · Jul 14, 2022 · US
Non-aqueous electrolyte secondary battery, and method of producing non-aqueous electrolyte secondary battery
US-11223047-B2 · Jan 11, 2022 · US
Negative electrode for lithium ion secondary battery
US-2020251738-A1 · Aug 6, 2020 · US
Cathode active material for non-aqueous electrolyte secondary battery, manufacturing method thereof, and non-aqueous electrolyte secondary battery
US-10629891-B2 · Apr 21, 2020 · US
Negative electrode, battery, and method of producing negative electrode
US-2020106101-A1 · Apr 2, 2020 · US
Non-aqueous electrolyte secondary battery, and method of producing non-aqueous electrolyte secondary battery
US-2019305314-A1 · Oct 3, 2019 · US
Separator for non-aqueous electrolyte secondary battery and manufacturing method thereof
US-10128482-B2 · Nov 13, 2018 · US
Recent patents
Latest publications not already listed above.
Nonaqueous electrolyte secondary battery
US-10122047-B2 · Nov 6, 2018 · US
Cathode active material for non-aqueous electrolyte secondary battery, manufacturing method thereof, and non-aqueous electrolyte secondary battery
US-2018159117-A1 · Jun 7, 2018 · US
Cathode active material for non-aqueous electrolyte secondary battery manufacturing method thereof, and non-aqueous electrolyte secondary battery
US-9947916-B2 · Apr 17, 2018 · US
Production method for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
US-9899709-B2 · Feb 20, 2018 · US
Sealed nonaqueous electrolyte secondary battery and method of producing same
US-9876227-B2 · Jan 23, 2018 · US
Non-aqueous electrolyte secondary battery and method of fabricating same
US-9831525-B2 · Nov 28, 2017 · US
Non-aqueous electrolyte secondary battery and method for producing same
US-9780377-B2 · Oct 3, 2017 · US
Lithium rechargeable battery
US-9653725-B2 · May 16, 2017 · US
Positive electrode active material for non-aqueous electrolyte secondary battery and production method for same, precursor for positive electrode active material, and non-aqueous electrolyte secondary battery using positive electrode active material
US-9553311-B2 · Jan 24, 2017 · US
Separator for non-aqueous electrolyte secondary battery and manufacturing method thereof
US-2016308185-A1 · Oct 20, 2016 · US
Production method for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
US-2016087315-A1 · Mar 24, 2016 · US
Nonaqueous electrolyte secondary battery
US-2015280283-A1 · Oct 1, 2015 · US
Secondary battery
US-2015207134-A1 · Jul 23, 2015 · US
Sealed nonaqueous electrolyte secondary battery and method of producing same
US-2015180033-A1 · Jun 25, 2015 · US
Coated positive electrode active material, positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and their production methods
US-9023531-B2 · May 5, 2015 · US
Positive electrode active material for non-aqueous electrolyte secondary battery and production method for same, precursor for positive electrode active material, and non-aqueous electrolyte secondary battery using positive electrode active material
US-2015108398-A1 · Apr 23, 2015 · US
Positive electrode active material for non-aqueous electrolyte secondary battery and production method for same, precursor for positive electrode active material, and non-aqueous electrolyte secondary battery using positive electrode active material
US-8999573-B2 · Apr 7, 2015 · US
Non-aqueous electrolyte secondary battery and method for producing same of fabricating same
US-2015086851-A1 · Mar 26, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toyota Motor Co Ltd | 24 |
| Oyama Yutaka | 11 |
| Sumitomo Metal Mining Co | 8 |
| Okada Yukihiro | 4 |
| Prime Planet Energy & Solutions Inc | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 28 |
| Y02P70/50 | 17 |
| H01M10/052 | 16 |
| H01M4/525 | 13 |
| H01M10/0525 | 13 |