Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650278 | Manufacturing method of glass forming body and forming die | Shiro FUNATSU, Katsuhiro Suzuki | 2017-05-16 |
| 4395597 | Speaker diaphragm assembly and a method of manufacturing the same | Kiyoaki Suzuki, Masaru Watanabe, Hisashi Yamamoto, Takuji Miura | 1983-07-26 |
| 4384174 | Moving voice coil loudspeaker, peripheral diaphragm support, diaphragm construction, bobbin to diaphragm reinforcement | Kiyoaki Suzuki, Masaru Watanabe, Hisashi Yamamoto, Takuji Miura | 1983-05-17 |