Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891147 | Wavelength-selective diffraction element and an optical head device | Ryuichiro Goto, Hiroki Hotaka, Yoshiharu Ooi, Reiko Nozawa, Ryota Murakami | 2005-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891147 | Wavelength-selective diffraction element and an optical head device | Ryuichiro Goto, Hiroki Hotaka, Yoshiharu Ooi, Reiko Nozawa, Ryota Murakami | 2005-05-10 |