Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496214 | Image forming elements array, and optical printing head and image forming apparatus using the array | Hiroshi Koizumi | 2002-12-17 |
| 6462879 | Optical writing device and image forming apparatus and method using the same | — | 2002-10-08 |
| 6456314 | Optical printing head and image forming apparatus using it | — | 2002-09-24 |
| 6449441 | Developer supplying apparatus | — | 2002-09-10 |
| 6442355 | Developer density controlling apparatus including target density information detection and toner image density detection | Kazuhiro Hasegawa, Shigeo Kimura, Akihiko Sato, Takao Ogata, Fumitake Hirobe | 2002-08-27 |
| 6421520 | Developing apparatus having magnetic lower limit domain between repulsion magnetic fields | Shigeo Kimura, Takao Ogata, Kazuhiro Hasegawa | 2002-07-16 |