Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11024463 | Electret sheet | Tetsuhiro KATO, Nobuto Kamiya, Masahiro Tsuchiya, Yuuta Katsurayama | 2021-06-01 |
| 10978252 | Electret sheet | Tetsuhiro KATO, Nobuto Kamiya, Masahiro Tsuchiya, Yuuta Katsurayama | 2021-04-13 |