Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801374 | Molded lens, scanning lens, optical scanner and image forming apparatus | Osamu Suzuki | 2004-10-05 |
| 6528158 | Developer regulating member and method of molding the same | — | 2003-03-04 |
| 5671193 | Rotary polygonal mirror and method of manufacturing the same | — | 1997-09-23 |
| 5570167 | Molded developing magnet roller | — | 1996-10-29 |
| 5453224 | Method for manufacturing a magnet roller | — | 1995-09-26 |
| 5145614 | Process for preparing magnet made of resin | — | 1992-09-08 |
| 4772904 | Diaphragm drive device | Naoji Otsuka, Junichi Horikawa | 1988-09-20 |