Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7715748 | Electrophotographic image forming apparatus and developing method thereof | Kyu-cheol Shin, Tsutomu Sasaki | 2010-05-11 |
| 7519318 | Electrophotolithographic image forming device and image developing method | Naonori Kurogawa, Kyu-cheol Shin, Tsutomu Teraoka, Tsutomu Sasaki, Myung-kook Ahn | 2009-04-14 |
| 7489893 | Hybrid type developing apparatus and developing method | Tsutomu Teraoka, Kyu-cheol Shin, Tsutomu Sasaki, Myung-kook Ahn, Naonori Kurogawa | 2009-02-10 |
| 7141346 | Liquid developer for image forming apparatus | Tsutomu Teraoka, Tsutomu Sasaki, Tsuneo Kurotori | 2006-11-28 |
| 7004650 | Developing device using a developing liquid and image forming apparatus including the same | Tsutomu Sasaki, Osamu Satoh, Tsuneo Kurotori, Hiroki Kubozono | 2006-02-28 |
| 6897002 | Liquid developer, image-fixing apparatus using the same, and image-forming apparatus using the same | Tsutomu Teraoka, Tsutomu Sasaki, Tsuneo Kurotori | 2005-05-24 |
| 6876822 | Methods for forming and developing an image | Tsutomu Sasaki, Osamu Satoh, Tsuneo Kurotori, Hiroki Kubozono | 2005-04-05 |
| 6694112 | Developing device using a developing liquid including a rotatable agitator in a developing liquid reservoir and image forming apparatus including the same | Tsutomu Sasaki, Osamu Satoh, Tsuneo Kurotori, Hiroki Kubozono | 2004-02-17 |
| 6539191 | Electrophotographic color image formation system and method using liquid developers | — | 2003-03-25 |
| 6515747 | Method and device for measuring a substance concentration in a liquid | Osamu Satoh, Tsutomu Sasaki | 2003-02-04 |
| 6466757 | Developing device using a developing liquid and image forming apparatus including the same | Tsutomu Sasaki, Yusuke Takeda, Mie Yoshino | 2002-10-15 |
| 6207336 | Liquid developing method | Hiroyuki Nakagoshi, Tsutomu Sasaki, Tai Hasegawa, Toshihiro Saito, Yoshiyuki Tanaka | 2001-03-27 |
| 6167225 | Liquid developing method of electrostatic latent image and liquid developing apparatus | Tsutomu Sasaki | 2000-12-26 |
| 6154624 | Image forming apparatus using a developing liquid | Tsutomu Sasaki | 2000-11-28 |
| 6137976 | Image formation apparatus using a liquid developing agent | Tai Hasegawa, Tsutomu Sasaki | 2000-10-24 |
| 6108508 | Image forming apparatus using wet type developing device | Noriyasu Takeuchi, Yuichi Aoyama, Katsuaki Miyawaki, Makoto Obu, Mie Yoshino | 2000-08-22 |
| 6038421 | Image forming apparatus using a liquid development system | Mie Yoshino, Noriyasu Takeuchi | 2000-03-14 |
| 6029036 | Liquid developing method and liquid developing apparatus | Hiroyuki Nakagoshi, Tsutomu Sasaki, Tai Hasegawa, Toshihiro Saito, Yoshiyuki Tanaka | 2000-02-22 |
| 5937247 | Ghostless developed image forming apparatus and method | Noriyasu Takeuchi | 1999-08-10 |
| 5394176 | Electrostatic printing apparatus | Hiroyuki Nakagoshi, Tsutomu Sasaki | 1995-02-28 |
| 5369427 | Electrostatic recording head | Hiroyuki Nakagoshi, Tsutomu Sasaki | 1994-11-29 |
| 5327208 | Color image forming apparatus with a multicolor detachable process unit | Shunji Matsuo, Shizuo Morita, Satoshi Haneda, Masakazu Fukuchi, Seiko Naganuma +1 more | 1994-07-05 |
| 5287161 | Color image forming apparatus with a multicolor detachable process unit | Shunji Matsuo, Shizuo Morita, Satoshi Haneda, Masakazu Fukuchi, Seiko Naganuma +1 more | 1994-02-15 |
| 5191378 | Electrostatic recording apparatus in which a transfer material conveyance belt detach point is located downstream from the image retainer | Hisahiro Saito, Takayuki Miyamoto | 1993-03-02 |
| 5184146 | Color image forming method and apparatus | Kazuyoshi Tanaka, Toshifumi Isobe, Akiko Naganuma | 1993-02-02 |