Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868055 | Optical pickup | Tetsuo Ueyama, Keiji Sakai, Yukio Kurata, Naotaka Otsuka, Renzaburo Miki +2 more | 2005-03-15 |
| 6847665 | Semiconductor laser device and method for producing the same | Shigehiro Yamada, Kazuhiro Tsuchida, Toshiya Nagahama, Takahide Ishiguro, Naotaka Ohtsuka | 2005-01-25 |