Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554346 | Apparatus for opening and closing wing door of truck | — | 2003-04-29 |
| 6275674 | Developing device, and image forming apparatus using the same | — | 2001-08-14 |
| 6259870 | Fixing device control method and apparatus, fixing device, and image forming machine | — | 2001-07-10 |
| 6212340 | Image forming apparatus utilizing a two-component developing apparatus with automatic toner replenishment and developer replacement | Kenji Fuke, Keiko Tonai, Hiroaki Yoshida, Yoshihiro Tonomoto, Eiji Suzuki +3 more | 2001-04-03 |
| 6120080 | Springing up apparatus for door of van-type truck | Masaki Hori | 2000-09-19 |
| 6091925 | Fixing unit with undirectional clutch mechanism and image forming apparatus with sealing member and agitating mechanism | Tomoaki Tanaka, Katsuya Shimatsu, Yasuhiro Wakabayashi, Katsumi Tateno, Shigenobu Utaka +1 more | 2000-07-18 |
| 5987280 | Developing device for electrostatic latent image | Kunihiko Sato, Kenji Fuke, Tsutomu Kawai, Eiji Suzuki, Shozo Tonai +3 more | 1999-11-16 |
| 5933690 | Toner recovery device | Kenji Fuke, Keiko Tonai, Hiroaki Yoshida, Yoshihiro Tonomoto, Eiji Suzuki +3 more | 1999-08-03 |
| 5907758 | Electrostatic recording system using dielectric belt in which electrifying voltage is applied in stages prior to image transfer | Tomoaki Tanaka, Tsuneo Mizuno, Kazumi Kawabata, Hitoshi Yoshii, Teturou Nakashima +5 more | 1999-05-25 |
| 5754919 | Electrostatic recording apparatus utilizing superimposition of colors in a toner image to record a multicolor image | Yoshihiro Tonomoto, Keiko Tonai, Yoshinori Wada | 1998-05-19 |
| 5701556 | Thermal fixing device having temperature control | — | 1997-12-23 |
| 5640662 | Hot roller for thermal fixation device having elastomeric and anti-abrasive coverings | Keiko Tonai, Yoshihiro Tonomoto | 1997-06-17 |
| 5617192 | Multicolor electrostatic recording apparatus and electrostatic latent image recording apparatus used therefor | Yoshihiro Tonomoto, Kenji Fuke, Eiji Suzuki, Keiko Tonai, Shozo Tonai +4 more | 1997-04-01 |
| 5517293 | Heat roller fixing apparatus with rotating lamps | Keiko Tonai | 1996-05-14 |
| 5484970 | Acoustic insulator | Masami Suzuki, Mitsuhiro Akano, Hideyuki Kuroda | 1996-01-16 |
| 5483328 | Toner supply control system and method | Noriko Kawasaki, Akihiko Uematsu | 1996-01-09 |