Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946755 | Electrophotographic one component magnetic toner comprising hydrophobic silica and iron oxide | — | 1990-08-07 |
| 4626488 | Polymeric binder for toner having specific weight distribution | — | 1986-12-02 |
| 4535048 | Toner for development of electrostatic charges | Masumi Sasakawa, Hiroshi Fukumoto, Shinji Doi | 1985-08-13 |
| 4533614 | Heat-fixable dry system toner | Hiroshi Fukumoto, Masumi Sasakawa, Shinji Doi | 1985-08-06 |
| 4533617 | Heat fixing developer of capsule structure | Hiroshi Fukumoto, Masumi Sasakawa, Shinji Doi | 1985-08-06 |
| 4517273 | Pressure fixable capsule toner | Tetsuo Hasegawa, Yoshihiro Nishikawa | 1985-05-14 |