Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10304754 | Heat dissipation structure of semiconductor device | Takeo Nishikawa, Takayoshi Tawaragi | 2019-05-28 |
| 9997430 | Heat dissipation structure of semiconductor device | — | 2018-06-12 |
| 8410464 | Optical coupler having first and second terminal boards and first and second conversion elements | — | 2013-04-02 |
| 8300857 | Acoustic sensor | Naoshi Ozawa, Shuichi Wakabayashi | 2012-10-30 |
| 7283710 | Optical waveguide device | Akihiko Sano, Shuichi Misumi | 2007-10-16 |