Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077971 | Developer filling method and developer filling apparatus | Kentaro Aoki | 2021-08-03 |
| 6014540 | Image forming apparatus having a device for removing charged materials prior to cleaning | Mineyuki Sako, Kazuhiro Sakamoto, Hiroshi Fukao | 2000-01-11 |
| 5665508 | Electrophotography carrier having domains dispersed in a matrix resin with a dispersion assistant interposed | Sanji Inagaki, Shoichi Tsuge, Mineyuki Sako, Takashi Akazawa | 1997-09-09 |
| 5415963 | Plural color toners, developers comprising the same, image-forming method using the plural toners, and image-forming system therefor | Sanji Inagaki, Shoichi Tsuge, Mineyuki Sako | 1995-05-16 |
| 5318871 | Toner for electrophotography and method for producing the same | Sanji Inagaki, Shoichi Tsuge, Mineyuki Sako, Yasuhiro Terunuma, Yukako Oya +1 more | 1994-06-07 |