Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11915883 | Electret | Noriyuki Matsushita, Yoshihiro Kozawa, Yumi Tanaka, Hirotoshi Otsuka, Yuki Kotaka | 2024-02-27 |
| 11917919 | Electret | Noriyuki Matsushita, Yoshihiro Kozawa, Yumi Tanaka | 2024-02-27 |
| 11558694 | Electret | Yoshihiro Kozawa, Noriyuki Matsushita, Yumi Tanaka, Tomoya Maruyama, Hiroshi Okamoto +2 more | 2023-01-17 |
| 7807061 | Optical gas concentration detector and method of producing structure used in the detector | Hiroyuki Wado | 2010-10-05 |