Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10263294 | Lithium ion secondary battery | Yukihiro Okada, Keiichi Takahashi, Kaoru Inoue | 2019-04-16 |
| 10243196 | Nonaqueous electrolyte secondary battery | Keiichi Takahashi, Hideaki Fujita, Tatsuya Hashimoto | 2019-03-26 |