Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070045 | Liquid spreading device and a fixing device | Kazuyoshi Hara, Kouji Matsushita | 2000-05-30 |
| 5665508 | Electrophotography carrier having domains dispersed in a matrix resin with a dispersion assistant interposed | Shoichi Tsuge, Mineyuki Sako, Kenzo Toya, Takashi Akazawa | 1997-09-09 |
| 5415963 | Plural color toners, developers comprising the same, image-forming method using the plural toners, and image-forming system therefor | Kenzo Toya, Shoichi Tsuge, Mineyuki Sako | 1995-05-16 |
| 5318871 | Toner for electrophotography and method for producing the same | Shoichi Tsuge, Mineyuki Sako, Kenzo Toya, Yasuhiro Terunuma, Yukako Oya +1 more | 1994-06-07 |
| 5097296 | Multicolor image forming apparatus using chargers with opposite polarity | Hiroshi Goto, Tetsuya Yamada, Masaaki Yamamoto, Shoichi Tsuge | 1992-03-17 |
| 4871408 | Image recording material for recording images in three dimensions and three-dimensional image processing method using same | Shigeo Honma, Kazuyoshi Hara | 1989-10-03 |
| 4812873 | Heat fixing unit in an electrophotographic copying apparatus | Hiroshi Fukao, Tetsuya Yamada, Etsuaki Urano, Yoshihiro Hattori | 1989-03-14 |
| 4757347 | Oil applying roller for use in an electrophotographic copying apparatus | Junichi Tamaoki, Tetsuya Yamada, Kesaaki Kitazawa, Naotaka Nishikawa, Youichi Ishikawa +1 more | 1988-07-12 |
| 4596920 | Heat roller fixing device | — | 1986-06-24 |
| 4550243 | Heat roller fixing device | — | 1985-10-29 |
| 4470688 | Heat roller fixing device | Makoto Sakamoto | 1984-09-11 |
| 4434355 | Offset prevention layer for heat roller fixing device | Shinji Takiguchi, Susumu Tanaka | 1984-02-28 |
| 4273848 | Oriented magnetic toner | Koji Nagai, Hiromi Kameda | 1981-06-16 |