Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612698 | Pupil measurement apparatus, refraction correction apparatus, and pupil measurement method | Shuichiro Eguchi, Yasuko Ise | 2003-09-02 |
| 6615002 | Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing member | Tomohiro Nakamori, Hiroshi Takami, Hiroaki Sakai, Masaru Shimura, Takeshi Kawamura | 2003-09-02 |
| 6564023 | Image forming apparatus with AC current detector | Hiroshi Takami, Tomohiro Nakamori, Masaru Shimura | 2003-05-13 |
| 6546214 | Image forming apparatus comprising storing means for storing a parameter regarding an accumulation operation amount of the apparatus or of a cartridge detachably mountable to the apparatus | Hiroaki Sakai, Takeshi Kawamura | 2003-04-08 |
| 6539184 | Image forming apparatus with current control | Masaru Shimura, Tomohiro Nakamori, Hiroshi Takami, Hiroaki Sakai | 2003-03-25 |
| 6516158 | Image forming apparatus and process cartridge comprising a charging member for charging an image bearing member through contact with the image bearing member | — | 2003-02-04 |