Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11094931 | Negative electrode active material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery | Yoshie Ohsaki, Tatsuya Nishida | 2021-08-17 |
| 11063255 | Negative electrode active material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery | Yoshie Ohsaki, Tatsuya Nishida | 2021-07-13 |
| 11057706 | Speaker driving device | Jun-ichi Okamura, Hiroshi Iwamura | 2021-07-06 |
| 10998546 | Negative electrode active material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery | Yoshie Ohsaki, Tatsuya Nishida | 2021-05-04 |