Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379482 | Manufacturing device and method of the exposure device | Hirofumi Nakayasu, Youji Houki, Yoshihiko Taira | 2002-04-30 |
| 6340982 | Image forming apparatus and exposure device thereof | Yoshihiko Taira, Youji Houki, Hirofumi Nakayasu | 2002-01-22 |