Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917576 | Retarder and optical head device installing the same | Takehiko Nishiyama, Naomitsu Umemura, Masahiro Murakawa, Yoshiharu Ooi, Yuzuru Tanabe | 2005-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917576 | Retarder and optical head device installing the same | Takehiko Nishiyama, Naomitsu Umemura, Masahiro Murakawa, Yoshiharu Ooi, Yuzuru Tanabe | 2005-07-12 |