Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392977 | Optical pickup with a hologram to limit the aperture of two light beams with different wavelengths | Nobuhiko Ando | 2002-05-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392977 | Optical pickup with a hologram to limit the aperture of two light beams with different wavelengths | Nobuhiko Ando | 2002-05-21 |