Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6051356 | Toner for electrostatic latent image developing | Yoshikazu Nishihara, Ichiro Demizu, Yoshihiro Mikuriya, Fumiko Hirano, Hiroyuki Fukuda | 2000-04-18 |
| 6029025 | Image forming apparatus with variable efficiency cleaning mechanism | Hiroshi Sakakibara, Mineyuki Sako, Kuniya Matsuura, Shingo Hirota | 2000-02-22 |
| 6014540 | Image forming apparatus having a device for removing charged materials prior to cleaning | Mineyuki Sako, Kenzo Toya, Kazuhiro Sakamoto | 2000-01-11 |
| 5824446 | Toners for developing electrostatically charged images | Yoshikazu Nishihara, Ichiro Demizu, Yoshihiro Mikuriya, Fumiko Nakazawa | 1998-10-20 |
| 5807653 | Toner for two-component developing agent | Yoshikazu Nishihara, Ichiro Demizu, Yoshihiro Mikuriya, Fumiko Nakazawa | 1998-09-15 |
| 5272040 | Toner for developing electrostatic latent images | Shinobu Nakasawa, Keiji Asakawa, Toshikazu Muramatsu, Ichiro Demizu | 1993-12-21 |
| 5219696 | Toner for developing electrostatic latent image | Ichiro Demizu, Mitsutoshi Nakamura | 1993-06-15 |
| 5212039 | Developing method of electrostatic latent images for full color image formation | Ichiro Demizu, Mitsutoshi Nakamura, Yuji Shintani, Shinobu Nakasawa | 1993-05-18 |
| 4926218 | Image forming apparatus | — | 1990-05-15 |
| 4812873 | Heat fixing unit in an electrophotographic copying apparatus | Sanji Inagaki, Tetsuya Yamada, Etsuaki Urano, Yoshihiro Hattori | 1989-03-14 |