Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6981807 | Electromagnetic drive device and light quantity adjustment device using the same | Hiroaki Naganuma | 2006-01-03 |
| 6960848 | Electromagnetic drive device and light quantity adjustment device using the same | Hiroaki Naganuma | 2005-11-01 |
| 5484141 | Automatic document feeder with position compensating device | Masashi Yamashita, Norihiro Ohno, Eiichi Kubo, Takahiko Komatsu, Yoshinou Kouno | 1996-01-16 |