Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12374690 | Graphite-based negative electrode active material | Yusuke Araki, Yutaka Oyama, Kiyohiko Nakano, Shuhei TAKESHITA | 2025-07-29 |
| 11973217 | Negative electrode active material and lithium ion secondary battery including negative electrode active material | — | 2024-04-30 |
| 11721833 | Method of producing lithium ion secondary battery and negative electrode material | Hiroto Asano | 2023-08-08 |
| 11527746 | Lithium ion secondary battery and method of producing the same | Kazuhisa Takeda | 2022-12-13 |
| 11302905 | Negative electrode of nonaqueous lithium-ion secondary battery and nonaqueous lithium-ion secondary battery using same | Hiroto Asano | 2022-04-12 |
| 11276900 | Nonaqueous electrolyte secondary battery and method of producing the same | Kazuhisa Takeda | 2022-03-15 |
| 11264604 | Negative electrode material, lithium ion secondary battery, method of manufacturing negative electrode material | Kazuhisa Takeda | 2022-03-01 |
| 11228024 | Lithium ion secondary battery and method of producing the same | Kazuhisa Takeda | 2022-01-18 |
| 10811678 | Negative electrode material and lithium secondary battery using same | Kazuhisa Takeda | 2020-10-20 |