Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10674273 | Speaker unit and acoustic device | Katsuya Endo, Terutaka Yana | 2020-06-02 |
| 8995695 | Speaker apparatus | Yoshio Ohashi, Kazuko Yamagishi, Yoshihiro Iwami, Shin Yamaguchi | 2015-03-31 |
| D400170 | Coaxial connector | Kiyoshi Asai, Katsuhisa Serizawa | 1998-10-27 |
| D399047 | Modular plug | Mitsuhiro Yoshida | 1998-10-06 |