Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187893 | Image transfer unit having an intermediate transfer belt to which a toner image is applied | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2007-03-06 |
| 7105262 | Liquid developer | Hidehiro Takano, Takuya Kadota, Rie Miyazaki | 2006-09-12 |
| 7018766 | Toner and production process thereof | Hidehiro Takano, Takuya Kadota, Rie Miyazaki | 2006-03-28 |
| 6957032 | Intermediate transfer unit having a primary transfer member and a secondary transfer roller | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2005-10-18 |
| 6856782 | Intermediate transfer unit having a primary and a secondary transfer member | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2005-02-15 |
| 6792236 | Fixing device for an image forming apparatus | Kaneo Yoda, Kazutoshi Fujisawa, Naoyuki Okumura, Hiroshi Tanaka, Kenjiro Yoshioka | 2004-09-14 |
| 6731899 | Intermediate transfer unit | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2004-05-04 |
| 6459877 | Fixing device which prevents damage to a fixing belt | Kaneo Yoda, Kazutoshi Fujisawa, Naoyuki Okumura, Hiroshi Tanaka, Kenjiro Yoshioka | 2002-10-01 |
| 6408158 | Intermediate transfer unit | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2002-06-18 |
| 6336022 | Developing unit | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2002-01-01 |
| 6312788 | Image receiving sheet and image receiving apparatus using the same | Shuhei Mohri, Masanao Kunugi | 2001-11-06 |
| 6295433 | Developing unit having a conveying fin for loading a supply roller with toner | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2001-09-25 |
| 6233424 | Image receiving sheet having particular critical surface tension, viscoelastic, and rockwell hardness characteristics and image receiving apparatus using the same | Shuhei Mohri, Masanao Kunugi | 2001-05-15 |
| 6226484 | Developing unit using specific developer composition | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2001-05-01 |
| 6223015 | Recording medium carrier system intermediate transfer unit | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2001-04-24 |
| 6198893 | Image forming apparatus having a plurality of developing units | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2001-03-06 |
| 6192209 | Developing unit | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2001-02-20 |
| 6185380 | Image forming apparatus having independent recording media discharge passages | Nobumasa Abe, Kaneo Yoda, Takayuki Shiraki, Kazutoshi Fujisawa, Naoyuki Okumura +2 more | 2001-02-06 |
| 6173139 | Recording medium carrier system having a paper feed unit, a transfer unit, a fixing unit and a paper ejecting unit constructed as independent units | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Nobumasa Abe, Takehiko Okamura +2 more | 2001-01-09 |
| 6163674 | Developing unit having developing roller with restraining blade | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2000-12-19 |
| 6151474 | Developing unit using elastic supply roller | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2000-11-21 |
| 6094554 | Developing unit having developing roller with specific side surface roughness | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Tomoe Aruga, Yoichi Yamada +1 more | 2000-07-25 |
| 6078760 | Image forming apparatus having an inverse and re-fixing sub-mode | Nobumasa Abe, Kaneo Yoda, Takayuki Shiraki, Kazutoshi Fujisawa, Naoyuki Okumura +2 more | 2000-06-20 |
| 5950052 | Image forming apparatus | Yujiro Nomura, Akira Kubota, Kuniaki Tanaka, Tomoe Aruga | 1999-09-07 |
| 5701554 | Fixing apparatus having controller for setting a target temperature and for estimating the amount of heat transferred to a pressure roller | Hiroshi Tanaka, Toru Fujita | 1997-12-23 |