Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9654881 | Electroacoustic transducer | Shigeo Ishii, Fumihisa Ito, Yutaka Doshida, Yoshiyuki Watanabe | 2017-05-16 |
| 9623478 | Die casting apparatus and die casting method | Makoto Kikuchi | 2017-04-18 |
| 9601682 | Electroacoustic transducer | Shigeo Ishii, Fumihisa Ito, Yutaka Doshida, Yoshiyuki Watanabe | 2017-03-21 |