Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10993018 | Speaker apparatus | Kohei Kikuchi, Yohei Fukuma, Nobukazu Suzuki, Kazuhiro Matsutani, Yoshio Ohashi | 2021-04-27 |
| 10405100 | Speaker apparatus that oscillates an oscillating body via an oscillating element | Yohei Fukuma, Kohei Kikuchi, Nobukazu Suzuki, Kazuhiro Matsutani | 2019-09-03 |
| 7369459 | Forward-looking sonar and underwater image display system | Tokihiko Hamada, Hidetoshi Kaida | 2008-05-06 |