Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557392 | Multicolor image forming apparatus with pulse voltage and DC voltage applied to a developing unit | — | 1996-09-17 |
| 5541029 | Multicolor image forming method preventing mixing of colors | Tomotoshi Nakahara, Hisao Murayama, Ichiro Komuro | 1996-07-30 |
| 5502552 | Developing device for an image forming apparatus | Takeshi Saito, Hidetoshi Yano, Hiromitsu Takagaki, Kazuhiro Nishido, Ichiro Komuro +2 more | 1996-03-26 |
| 5474869 | Toner and method of developing | Masami Tomita, Kohichi Katoh, Tomoe Hagiwara, Koji Suzuki, Shigekazu Enoki +2 more | 1995-12-12 |
| 5451713 | Developing apparatus using a developer carrier capable of forming microfields | Koji Suzuki, Shigekazu Enoki, Hiroshi Takashima, Yuichi Ueno | 1995-09-19 |
| 5450172 | Nondestructive multicolor image forming apparatus | Koji Suzuki, Akira Sawada, Kazuhiro Nishido | 1995-09-12 |
| 5424814 | Developing device with microfields formed on developer carrier | Koji Suzuki, Katsuhiro Aoki, Yuichi Ueno, Akira Sawada, Takatsugu Fujishiro +1 more | 1995-06-13 |
| 5339141 | Developing device with a developer carrier capable of forming numerous microfields thereon | Koji Suzuki, Yuichi Ueno, Katsuhiro Aoki, Akira Sawada, Takatsugu Fujishiro | 1994-08-16 |
| 5315061 | Developing apparatus using a developer carrier capable of forming microfields | Koji Suzuki, Shigekazu Enoki, Hiroshi Takashima, Yuichi Ueno | 1994-05-24 |
| 5311263 | Developing apparatus for image forming equipment using developer carrier for forming microfields | Koji Suzuki, Yuichi Ueno, Shigekazu Enoki, Junko Tomita | 1994-05-10 |
| 5286918 | Developing apparatus using a developer carrier capable of forming microfields on the surface thereof | Koji Suzuki, Shigekazu Enoki, Hiroshi Takashima, Yuichi Ueno | 1994-02-15 |
| 5245391 | Developing device having surface microfields for an image forming apparatus | Koji Suzuki, Yuichi Ueno, Shigekazu Enoki, Junko Tomita | 1993-09-14 |
| 5241357 | Color image forming equipment with two developers and a pulse bias | — | 1993-08-31 |
| 5239344 | Developing roller having insulating and conductive areas | Shigekazu Enoki, Koji Suzuki, Yuichi Ueno, Junko Tomita | 1993-08-24 |
| 5220383 | Developing device for an image forming apparatus having a large number of microfields formed on a developer carrier | Shigekazu Enoki, Koji Suzuki, Yuichi Ueno, Junko Tomita | 1993-06-15 |
| 5172169 | Developer carrier of a developing device and a method of producing the same | Hiroshi Takashima, Shigekazu Enoki, Koji Suzuki, Yuichi Ueno | 1992-12-15 |