Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10867196 | Alarm device | Toshihiko Kuno | 2020-12-15 |
| 10644347 | Negative electrode active material and lithium ion secondary battery using the same | Daisuke Kawasaki, Takashi Ohtsuka, Suguru TAMAI, Noboru YOSHIDA | 2020-05-05 |
| 10566660 | Film packaged battery | Kazuhiko Inoue, Makihiro Otohata | 2020-02-18 |