Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379482 | Manufacturing device and method of the exposure device | Hirofumi Nakayasu, Youji Houki, Tsutomu Nagatomi | 2002-04-30 |
| 6366304 | Thermal correction for image-forming exposure device and method of manufacturing the device | Hirofumi Nakayasu, Youji Houki | 2002-04-02 |
| 6340982 | Image forming apparatus and exposure device thereof | Youji Houki, Hirofumi Nakayasu, Tsutomu Nagatomi | 2002-01-22 |