Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510278 | Image forming apparatus | — | 2009-03-31 |
| 7253830 | Rotary apparatus including a rotation shaft and sleeve having tapped portions, and laser beam printer having the same | — | 2007-08-07 |
| 4353045 | Ladder type filter | Sasuga Kakehi | 1982-10-05 |