Positive electrode active material, electrode, battery, and method of producing positive electrode active material
US-2026081157-A1 · Mar 19, 2026 · US
This page is not indexed by search engines while we improve data quality.
Ohsawa Ryosuke patents
Ohsawa Ryosuke is listed as an inventor on 56 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ohsawa Ryosuke |
| Total patents | 56 |
| First publication | Apr 6, 2017 |
| Latest publication | Mar 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Positive electrode active material, electrode, battery, and method of producing positive electrode active material
US-2026078014-A1 · Mar 19, 2026 · US
Electrode and battery
US-12573619-B2 · Mar 10, 2026 · US
Positive Electrode Active Material, Secondary Battery, and Method of Producing Positive Electrode Active Material
US-2025372641-A1 · Dec 4, 2025 · US
Cathode active material and method for producing cathode active material
US-2025368536-A1 · Dec 4, 2025 · US
Positive Electrode Active Material, Secondary Battery, and Method of Producing Positive Electrode Active Material
US-2025372643-A1 · Dec 4, 2025 · US
Cathode active material and method for producing cathode active material
US-2025372639-A1 · Dec 4, 2025 · US
Cathode active material
US-2025372627-A1 · Dec 4, 2025 · US
Positive Electrode Active Material, Secondary Battery, and Method of Producing Positive Electrode Active Material
US-2025372642-A1 · Dec 4, 2025 · US
Cathode active material
US-2025349842-A1 · Nov 13, 2025 · US
Recent patents
Latest publications not already listed above.
Cathode active material
US-2025349843-A1 · Nov 13, 2025 · US
Cathode layer
US-2025286052-A1 · Sep 11, 2025 · US
Cathode active material and production method of cathode active material
US-2025286053-A1 · Sep 11, 2025 · US
Positive electrode active material, positive electrode, lithium-ion battery, and method of manufacturing positive electrode active material
US-2025256982-A1 · Aug 14, 2025 · US
Positive electrode active material and method of producing positive electrode active material
US-2025226405-A1 · Jul 10, 2025 · US
Cathode active material and method for producing cathode active material
US-2025223190-A1 · Jul 10, 2025 · US
Cathode active material, lithium-ion secondary battery, and method for producing cathode active material
US-2025201818-A1 · Jun 19, 2025 · US
Positive electrode active material powder and lithium secondary battery
US-2025197245-A1 · Jun 19, 2025 · US
Cathode active material, cathode, lithium ion battery, and method for producing cathode active material
US-2025197246-A1 · Jun 19, 2025 · US
Positive electrode active material, lithium ion secondary battery, and method of producing positive electrode active material
US-2025201836-A1 · Jun 19, 2025 · US
Positive electrode active material and battery
US-2025140838-A1 · May 1, 2025 · US
Positive electrode active material, battery, and method of manufacturing positive electrode active material
US-2025140841-A1 · May 1, 2025 · US
Positive electrode active material, battery, and method of manufacturing positive electrode active material
US-2025140793-A1 · May 1, 2025 · US
Electrode and battery
US-2024250245-A1 · Jul 25, 2024 · US
Battery and method of producing positive electrode active material
US-2024178380-A1 · May 30, 2024 · US
Positive electrode active material, positive electrode, lithium ion battery, and method for producing positive electrode active material
US-2024030432-A1 · Jan 25, 2024 · US
Method for leaching nickel from nickel ore and method for producing nickel sulfate
US-2023257282-A1 · Aug 17, 2023 · US
Electrode and battery
US-2023223520-A1 · Jul 13, 2023 · US
Positive electrode material of secondary battery, and secondary battery
US-11646420-B2 · May 9, 2023 · US
Method for producing cathode active material, cathode active material, and lithium ion secondary battery
US-2023063022-A1 · Mar 2, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Toyota Motor Co Ltd | 56 |
| Prime Planet Energy & Solutions Inc | 1 |
| Univ Kyushu Nat Univ Corp | 1 |
| Toyota Tsusho Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 53 |
| H01M10/0525 | 45 |
| H01M2004/021 | 31 |
| H01M4/131 | 30 |
| H01M2004/028 | 29 |