Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196886 | Electrophotographic image forming apparatus including means for correcting density drift | Jiro Egawa, Shigeru Fujiwara | 1993-03-23 |
| 5148218 | Image forming apparatus with a humidity detector | Jiro Egawa, Naruhito Yoshida, Toshihiro Kasai, Kunihiko Miura, Shinya Tomura +1 more | 1992-09-15 |
| 5136160 | Optical unit for use in image-forming apparatus | Jiro Egawa | 1992-08-04 |