Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992868 | Image forming apparatus capable of detecting edge portion of sheet being fed | Yuta Tachibana, Yoshiyuki Toso, Yutaka Otsuka | 2011-08-09 |
| 5665508 | Electrophotography carrier having domains dispersed in a matrix resin with a dispersion assistant interposed | Sanji Inagaki, 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, Sanji Inagaki, Mineyuki Sako | 1995-05-16 |
| 5318871 | Toner for electrophotography and method for producing the same | Sanji Inagaki, 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, Sanji Inagaki, Tetsuya Yamada, Masaaki Yamamoto | 1992-03-17 |
| 4975348 | Image highlighting method | Kenji Tabuchi, Naoki Toyoshi, Hiroshi Okamoto, Kaoru Takebe | 1990-12-04 |
| 4871640 | Method for producing an original for use in an overhead projector | — | 1989-10-03 |