Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545825 | Lens holding frame for securing lens element to lens base | Masao Shoji | 2003-04-08 |
| 6404717 | Optical reproducing device and optical memory medium | Hiroshi Fuji, Shigemi Maeda | 2002-06-11 |
| 6288992 | Optical reproducing device and optical memory medium | Hiroshi Fuji | 2001-09-11 |
| 6125085 | Optical recording method and device for optimally controlling the width of the recording marks | Hiroshi Fuji, Shigemi Maeda | 2000-09-26 |