Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231171 | Image copying apparatus and image copying method | Tetsuya Kagawa, Yuichi Kuroyanagi | 2007-06-12 |
| 6888522 | Information display apparatus | Kiyofumi Hashimoto, Eiji Yamakawa, Hideo Hotomi, Naoki Masazumi, Koichi Kohriyama | 2005-05-03 |
| 6322199 | Direct electrostatic printing apparatus with electrode for improved image gradation control | — | 2001-11-27 |
| 6296348 | Direct recording apparatus with controlling section to adjust voltage among discharge electrodes | — | 2001-10-02 |
| 6296347 | Direct electrostatic recording apparatus with modified electrode shape for preventing uneven image density | — | 2001-10-02 |
| 6281915 | Apparatus for propelling toner through apertures to form images on a recording medium | Hirokatsu Shimada, Toshio Yamaki, Koji Uno, Hiroshi Hiraguchi | 2001-08-28 |
| 6270196 | Tandem type of direct printing apparatus using gating apertures for supplying toner | Koji Uno, Toshio Yamaki, Hirokatsu Shimada, Hiroshi Hiraguchi | 2001-08-07 |
| 6250743 | Tandem type of direct printing apparatus using gating apertures for supplying toner | Koji Uno, Toshio Yamaki, Hirokatsu Shimada, Hiroshi Hiraguchi | 2001-06-26 |
| 6250744 | Printing device for propelling printing material onto a recording medium to form images | Hiroshi Hiraguchi, Koji Uno, Hirokatsu Shimada, Toshio Yamaki | 2001-06-26 |
| 6244692 | Tandem type of direct printing apparatus and method for making a registration of composite image therein | Hiroshi Hiraguchi, Koji Uno, Hirokatsu Shimada, Toshio Yamaki | 2001-06-12 |
| 6241343 | Direct printing apparatus | Hirokatsu Shimada, Toshio Yamaki, Koji Uno, Hiroshi Hiraguchi | 2001-06-05 |
| 6231164 | Apparatus and method for direct printing using first and second electrodes to deposit charged particles | Toshio Yamaki, Hirokatsu Shimada, Koji Uno, Hiroshi Hiraguchi | 2001-05-15 |
| 6227656 | Depositing charged particles onto a sheet based on distances relative to a print head | Toshio Yamaki, Hirokatsu Shimada, Koji Uno, Hiroshi Hiraguchi | 2001-05-08 |
| 6176567 | Direct printing apparatus with automatic cleaning of excess print particles | Koji Uno, Toshio Yamaki, Hirokatsu Shimada, Hiroshi Hiraguchi | 2001-01-23 |
| 5347346 | Image forming apparatus with improved efficiency of maintenance control | Tadafumi Shimizu, Yoshiaki Takano, Hiroyuki Ideyama, Manabu Kamitamari, Kadotaro Nishimori +4 more | 1994-09-13 |
| 5335048 | Efficient control system of image forming apparatus | Yoshiaki Takano, Tadafumi Shimizu, Hiroyuki Ideyama, Manabu Kamitamari, Kadotari Nishimori +4 more | 1994-08-02 |
| 5303005 | Image forming apparatus with improved maintenance control | Yoshiaki Takano, Tadafumi Shimizu, Hiroyuki Ideyama, Manabu Kamitamari, Kadotari Nishimori +4 more | 1994-04-12 |
| 5243382 | Image forming apparatus capable of efficient maintenance work | Yoshiaki Takano, Tadafumi Shimizu, Hiroyuki Ideyama, Manabu Kamitamari, Kadotaro Nishimori +4 more | 1993-09-07 |