Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8102438 | Imaging device | — | 2012-01-24 |
| 7733384 | Imaging device | — | 2010-06-08 |
| 7247413 | Electrostatic latent-image developing toner | Junji Machida, Masahiro Anno, Atsushi Yamamoto | 2007-07-24 |
| 6541173 | Color toner for developing electrostatic image comprising two kinds of polyesters and two kinds of releasing agents | Masayuki Hagi, 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 | Masayuki Hagi, Megumi Aoki, Yoshihiro Mikuriya, Takeshi Arai, Tetsuo Sano +2 more | 2003-01-14 |
| 6482561 | Toner used for developing electrostatic latent image | Takeshi Arai, Megumi Aoki, Yoshitaka Sekiguchi, Junichi Tamaoki, Yoshihiro Mikuriya +2 more | 2002-11-19 |
| 6475690 | Toner for developing an electrostatic image | Masahiro Anno, Tetsuo Sano, Hiroyuki Fukuda | 2002-11-05 |
| 6352808 | Electrostatic-latent-image developing toner and inorganic particles used for such a toner | Masayuki Hagi, Takeshi Arai, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Megumi Aoki +2 more | 2002-03-05 |
| 6344302 | Developer for developing electrostatic latent images | Katsunori Kurose, Masayuki Hagi, Tetsuo Sano, Takeshi Arai | 2002-02-05 |
| 6338929 | Toner for developing an electrostatic latent image | Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Takeshi Arai, Megumi Aoki +2 more | 2002-01-15 |
| 6335134 | Toner for an electrostatic latent image development | Masayuki Hagi, Yoshihiro Mikuriya, Takeshi Arai, Yoshitaka Sekiguchi, Tetsuo Sano +2 more | 2002-01-01 |
| 6025107 | Negatively chargeable toner for developing electrostatic latent images | Yoshitaka Sekiguchi, Tetsuo Sano | 2000-02-15 |
| 5853940 | Toner for developing electrostatic latent image | Tetsuo Sano, Yoshitaka Sekiguchi, Hiroyuki Fukuda | 1998-12-29 |
| 5840458 | Developer for developing an electrostatic latent image to which laminated titanium oxide is externally added | Katsunori Kurose, Takeshi Arai, Masayuki Hagi | 1998-11-24 |
| 5814428 | Toner for developing electrostatic latent image | Tetsuo Sano, Yoshitaka Sekiguchi, Hiroyuki Fukuda | 1998-09-29 |
| 5804350 | Negatively chargeable toner for developing electrostatic latent image | Yoshitaka Sekiguchi, Tetsuo Sano, Hiroyuki Fukuda | 1998-09-08 |
| 5776647 | Negatively chargeable toner for developing electrostatic latent image | Tetsuo Sano, Yoshitaka Sekiguchi, Hiroyuki Fukuda | 1998-07-07 |