Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11160703 | Assistance device | Satoshi Shimizu, Joji Isozumi, Takehiro Hiraoka | 2021-11-02 |
| 11103399 | Assistance device | Satoshi Shimizu, Takehiro Hiraoka | 2021-08-31 |
| 10923770 | Lithium ion secondary battery | Takuya Hasegawa, Daisuke Kawasaki, Ikiko Shimanuki | 2021-02-16 |