Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466757 | Developing device using a developing liquid and image forming apparatus including the same | Masahiko Itaya, Tsutomu Sasaki, Yusuke Takeda | 2002-10-15 |
| 6405008 | Image forming apparatus using a developing liquid, developing device therefor and program recording medium | Makoto Obu, Noriyasu Takeuchi, Tsutomu Sasaki | 2002-06-11 |
| 6108508 | Image forming apparatus using wet type developing device | Noriyasu Takeuchi, Masahiko Itaya, Yuichi Aoyama, Katsuaki Miyawaki, Makoto Obu | 2000-08-22 |
| 6038421 | Image forming apparatus using a liquid development system | Masahiko Itaya, Noriyasu Takeuchi | 2000-03-14 |
| 5923930 | Apparatus for controlling density of liquid developing solution and apparatus for forming images | Takeo Tsukamoto, Makoto Obu, Hideki Kosugi, Sadayuki Iwai | 1999-07-13 |
| 5666616 | Wet-type image forming apparatus for forming a condensed toner image | Makoto Obu, Takeo Tsukamoto, Seiichi Miyakawa, Yusuke Takeda, Masami Hiramatsu | 1997-09-09 |
| 5652080 | Methods and apparatus to duplicate images on various image carrying media using liquid carrier based developer | Makoto Obu, Takeo Tsukamoto | 1997-07-29 |