Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884149 | Image recording with data transmission bypass and shift register | Hisashi Shoji, Kunihisa Yoshino | 1989-11-28 |
| 4841332 | Toner control for a developer device | Hisashi Shoji, Seiichiro Hiratsuka | 1989-06-20 |
| 4841337 | Image forming apparatus | Seiichiro Hiratsuka, Kunihisa Yoshino, Hisashi Shoji | 1989-06-20 |
| 4839692 | Apparatus for reproducing multi-color image | Hisashi Shoji, Seiichiro Hiratsuka | 1989-06-13 |
| 4814797 | Apparatus and method for controlling color dot size in multicolor image | Hisashi Shoji, Hiroshi Fuma | 1989-03-21 |
| 4803518 | Apparatus for forming a multi-color toner image | Hisashi Shoji, Seiichiro Hiratsuka | 1989-02-07 |
| 4803514 | Multi-color image forming method and apparatus | Seiichiro Hiratsuka, Hisashi Shoji | 1989-02-07 |
| 4797335 | Developing method for electrostatic images using composite component developer under non-contacting conditions | Seiichiro Hiratsuka, Hisashi Shoji | 1989-01-10 |