Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658221 | Method of and apparatus for measuring quantity of toner on belt-shaped image carrier | Takashi Hama | 2003-12-02 |
| 6621991 | Image forming apparatus with predetermined target density and method | Takashi Hama | 2003-09-16 |
| 6607380 | Substrate conveying system and device manufacturing method using the same | — | 2003-08-19 |
| 6597878 | Apparatus for measuring quantity of toner, and image forming apparatus comprising measuring apparatus | Takashi Hama, Yoshio Nakazawa | 2003-07-22 |
| 6512598 | Image forming apparatus capable of preventing linear nonuniformity and improving image quality | Toru Fujita, Hisako Mizutani | 2003-01-28 |