Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743558 | Carrier for electrophotographic developer | Masahide Yamashita, Akihiro Kotsugai, Hiroaki Takahashi | 2004-06-01 |
| 6739534 | Carrier for developer for electrophotography | Akihiro Kotsugai | 2004-05-25 |
| 6735409 | Process for developing, image-forming apparatus, and image-forming process cartridge | Hiroaki Takahashi, Naoki Imahashi, Akihiro Kotsugai | 2004-05-11 |
| 6696213 | Method of developing a latent electrostatic image | Akihiro Kotsugai | 2004-02-24 |
| 6599672 | Carrier for developer for electrophotography | Akihiro Kotsugai | 2003-07-29 |
| 6489073 | Method and device for developing electrostatic latent images | Akihiro Kotsugai, Hiroshi Ikuno | 2002-12-03 |
| 6472118 | Carrier for developer for electrophotography | Akihiro Kotsugai | 2002-10-29 |
| 5288577 | Dry-type developer | Yoichiro Watanabe | 1994-02-22 |
| 5102766 | Toner for developing latent electrostatic images | Toshiki Nanya, Hiromitsu Kawase, Makoto Ookawara | 1992-04-07 |
| 5085965 | Negative toner for developing latent electrostatic images | Toshiki Nanya, Kazuo Tsubuko, Toshihiko Takahashi, Hiromitsu Kawase, Makoto Ookawara | 1992-02-04 |
| 5079123 | Dry-type toner for electrophotography with carnauba wax | Toshiki Nanya, Hiromitsu Kawase | 1992-01-07 |
| 4990425 | Toner for developing latent electrostatic images | Toshiki Nanya | 1991-02-05 |
| 4950573 | Toner for developing latent electrostatic images | Kazuhiko Umemura, Yoshihiro Nomura | 1990-08-21 |
| 4670368 | Magnetic developer for developing latent electrostatic images | Hachiro Tosaka, Motoi Orihara | 1987-06-02 |
| 4590141 | Carrier particles for use in a two-component dry-type developer for developing latent electrostatic images | Mitsuo Aoki, Satoru Inoue, Mitsuru Uchida, Masami Tomita, Chiaki Uematsu | 1986-05-20 |
| 4562136 | Two-component dry-type developer | Satoru Inoue, Mitsuru Uchida, Mitsuo Aoki, Masami Tomita, Chiaki Uematsu | 1985-12-31 |