Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11908629 | Electret sheet and piezoelectric sensor | Tetsuhiro KATO, Nobuto Kamiya, Yasuyuki Shirasaka, Ryousuke Takahashi | 2024-02-20 |
| 11688563 | Electret sheet | Tetsuhiro KATO, Nobuto Kamiya, Masahiro Tsuchiya, Yasuyuki Shirasaka | 2023-06-27 |
| 11264556 | Piezoelectric sensor | Nobuto Kamiya, Tetsuhiro KATO, Kazuyoshi Iwane | 2022-03-01 |
| 11024463 | Electret sheet | Tetsuhiro KATO, Nobuto Kamiya, Masahiro Tsuchiya, Yasuyuki Shirasaka | 2021-06-01 |
| 10978252 | Electret sheet | Tetsuhiro KATO, Nobuto Kamiya, Masahiro Tsuchiya, Yasuyuki Shirasaka | 2021-04-13 |