Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12251491 | Thrombin-carrying hemostatic sheet | Makoto Ogino, Keiichi Yoshihara, Yasuharu Kimura, Toshitaka YOSHII, Satoru EGAWA | 2025-03-18 |
| 6899985 | Toner for developing electrostatic latent image | Masahide Inoue, Chikara Tsutsui, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Takeshi Arai +1 more | 2005-05-31 |
| 6842523 | Encryption apparatus, cryptographic communication system, key recovery system, and storage medium | Akito Niwa, Shinichi Kawamura, Toshiaki Saisho, Tatsuya Ishihara, Fumihiko Sano +1 more | 2005-01-11 |
| 6777151 | Negatively chargeable toner and image-forming method | Masayuki Hagi, Junichi Tamaoki, Hiroaki Kato | 2004-08-17 |
| 6541173 | Color toner for developing electrostatic image comprising two kinds of polyesters and two kinds of releasing agents | Kenichi Kido, Masayuki Hagi, Takeshi Arai, Yoshihiro Mikuriya, 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, Masayuki Hagi, Yoshihiro Mikuriya, Takeshi Arai, Tetsuo Sano +2 more | 2003-01-14 |
| 6503679 | Color toner for developing an electrostatic image | Masahide Inoue, Yoshihiro Mikuriya, Masayuki Hagi | 2003-01-07 |
| 6482561 | Toner used for developing electrostatic latent image | Takeshi Arai, Yoshitaka Sekiguchi, Junichi Tamaoki, Yoshihiro Mikuriya, Tetsuo Sano +2 more | 2002-11-19 |
| 6352808 | Electrostatic-latent-image developing toner and inorganic particles used for such a toner | Masayuki Hagi, Takeshi Arai, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Kenichi Kido +2 more | 2002-03-05 |
| 6338929 | Toner for developing an electrostatic latent image | Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Kenichi Kido, Takeshi Arai +2 more | 2002-01-15 |
| 6335135 | Toner for developing electrostatic latent image | Takeshi Arai, Junichi Tamaoki, Masayuki Hagi | 2002-01-01 |
| 6335134 | Toner for an electrostatic latent image development | Masayuki Hagi, Yoshihiro Mikuriya, Takeshi Arai, Kenichi Kido, Yoshitaka Sekiguchi +2 more | 2002-01-01 |
| 6132920 | Toner for developing electrostatic latent image | Masayuki Hagi, Junichi Tamaoki, Takeshi Arai | 2000-10-17 |