Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592990 | Process for producing toner | Seiichi Takagi, Yoshihiko Hyosu | 1986-06-03 |
| 4535048 | Toner for development of electrostatic charges | Sukejiro Inoue, Hiroshi Fukumoto, Shinji Doi | 1985-08-13 |
| 4533614 | Heat-fixable dry system toner | Hiroshi Fukumoto, Sukejiro Inoue, Shinji Doi | 1985-08-06 |
| 4533617 | Heat fixing developer of capsule structure | Sukejiro Inoue, Hiroshi Fukumoto, Shinji Doi | 1985-08-06 |