Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556904 | Toner for electrostatic development, developer, image forming method, image-forming apparatus and process for cartridge using the same | Takuya Kadota, Masahide Inoue, Yoshihiro Mikuriya, Katsunori Kurose, Minoru Nakamura +3 more | 2009-07-07 |
| 7217488 | Toner comprising core layer and shell layer | Yoshihiro Mikuriya, Tsuyoshi Nozaki, Atsushi Yamamoto, Yoshitaka Sekiguchi, Chiyoshi Nozaki | 2007-05-15 |
| 6777151 | Negatively chargeable toner and image-forming method | Junichi Tamaoki, Megumi Aoki, Hiroaki Kato | 2004-08-17 |
| 6709798 | Full color image forming method | Junichi Tamaoki, Masahiro Anno | 2004-03-23 |
| 6541173 | Color toner for developing electrostatic image comprising two kinds of polyesters and two kinds of releasing agents | Kenichi Kido, Takeshi Arai, Yoshihiro Mikuriya, Megumi Aoki, Yoshitaka Sekiguchi +2 more | 2003-04-01 |
| 6506530 | Color toner for developing electrostatic image, comprising first linear polyester and second non-linear polyester as binder resin | Kenichi Kido, Megumi Aoki, Yoshihiro Mikuriya, Takeshi Arai, Tetsuo Sano +2 more | 2003-01-14 |
| 6503679 | Color toner for developing an electrostatic image | Megumi Aoki, Masahide Inoue, Yoshihiro Mikuriya | 2003-01-07 |
| 6482561 | Toner used for developing electrostatic latent image | Takeshi Arai, Megumi Aoki, Yoshitaka Sekiguchi, Junichi Tamaoki, Yoshihiro Mikuriya +2 more | 2002-11-19 |
| 6352808 | Electrostatic-latent-image developing toner and inorganic particles used for such a toner | Takeshi Arai, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Kenichi Kido, Megumi Aoki +2 more | 2002-03-05 |
| 6344302 | Developer for developing electrostatic latent images | Katsunori Kurose, Tetsuo Sano, Kenichi Kido, Takeshi Arai | 2002-02-05 |
| 6338929 | Toner for developing an electrostatic latent image | Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Kenichi Kido, Takeshi Arai, Megumi Aoki +2 more | 2002-01-15 |
| 6335135 | Toner for developing electrostatic latent image | Takeshi Arai, Junichi Tamaoki, Megumi Aoki | 2002-01-01 |
| 6335134 | Toner for an electrostatic latent image development | Yoshihiro Mikuriya, Takeshi Arai, Kenichi Kido, Yoshitaka Sekiguchi, Tetsuo Sano +2 more | 2002-01-01 |
| 6194116 | Toner containing specific alkyl carboxylic acid with fine particles externally added | Yoshikazu Nishihara, Junichi Tamaoki, Takeshi Arai | 2001-02-27 |
| 6132920 | Toner for developing electrostatic latent image | Junichi Tamaoki, Takeshi Arai, Megumi Aoki | 2000-10-17 |
| 5976750 | Electrostatic latent image-developing toner containing specified toner particles and specified external additives | Junichi Tamaoki, Takeshi Arai, Hiroyuki Fukuda | 1999-11-02 |
| 5879848 | Toner for full color developing | Katsunori Kurose, Takeshi Arai, Junichi Tamaoki, Ichiro Demizu, Hiroyuki Fukuda | 1999-03-09 |
| 5840458 | Developer for developing an electrostatic latent image to which laminated titanium oxide is externally added | Kenichi Kido, Katsunori Kurose, Takeshi Arai | 1998-11-24 |
| 5794105 | Image forming apparatus and toner for full color development | Junichi Tamaoki, Ichiro Demizu, Takeshi Arai, Katsunori Kurose, Hiroyuki Fukuda | 1998-08-11 |
| 5776646 | Negatively chargeable toner with specified fine particles added externally | Takeshi Arai, Junichi Tamaoki, Hiroyuki Fukuda | 1998-07-07 |
| 5759728 | Black toner for developing electrostatic latent images with carbon black dispersed in specific distribution | Junichi Tamaoki, Takeshi Arai, Hiroyuki Fukuda | 1998-06-02 |
| 5759731 | Toner for electrophotography with specified fine particles added externally | Takeshi Arai, Junichi Tamaoki, Hiroyuki Fukuda | 1998-06-02 |
| 5747211 | Toner for developing electrostatic latent images | Junichi Tamaoki, Takeshi Arai, Hiroyuki Fukuda | 1998-05-05 |
| 5707769 | Yellow toner and magenta toner and image forming apparatus and method using same | Katsunori Kurose, Takeshi Arai, Junichi Tamaoki, Hiroyuki Fukuda, Yoko Osawa +1 more | 1998-01-13 |