Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8441908 | Optical pickup device | Hidetaka Jidai | 2013-05-14 |
| 7792007 | Optical device for monitor and optical pickup apparatus | Takuji Hatano, Miyuki Teramoto, Hiroshi Hirayama, Masaru Okumura | 2010-09-07 |
| 7652823 | Non-polarizing beam splitter | Hidetaka Jidai, Toshiya Kawanishi | 2010-01-26 |