Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690486 | Image forming apparatus with excellent gradation reproduction | Osamu Yamada | 2004-02-10 |
| 5969346 | Laser beam scanning optical apparatus | Yasushi Nagasaka, Kenji Takeshita, Hiroshi Hiraguchi, Jun Kohsaka, Nobuo Kanai | 1999-10-19 |
| 5890789 | Multi-beam emitting device having an acoustooptic element | Yoshihiro Inagaki, Toshio Naiki, Akiyoshi Hamada | 1999-04-06 |
| 5856669 | Laser beam scanning optical apparatus having means for generating moire fringes | Yasushi Nagasaka, Kenji Takeshita, Hiroshi Hiraguchi, Jun Kohsaka, Nobuo Kanai | 1999-01-05 |
| 5808775 | Laser beam scanning optical apparatus | Yoshihiro Inagaki, Nobuo Kanai, Jun Kohsaka, Kenji Takeshita, Hidenari Tachibe | 1998-09-15 |