Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10121956 | Electroacoustic transducer | Shigeo Ishii, Hiroshi Hamada, Yutaka Doshida | 2018-11-06 |
| 10076278 | Headband, headgear, and electroencephalographic apparatus | Seiji Wada, Mitsuhiro Nakamura, Natsuki Kimura, Haruhiko Soma, Yusaku Nakashima +1 more | 2018-09-18 |
| 9973857 | Piezoelectric speaker and electroacoustic transducer | Yasukazu Tokuhisa, Hiroshi Hamada, Shigeo Ishii, Yutaka Doshida, Yoshiyuki Watanabe | 2018-05-15 |
| 9862024 | Die casting apparatus and die casting method | Makoto Kikuchi | 2018-01-09 |