Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10437196 | Cooling device and image forming apparatus incorporating the cooling device | — | 2019-10-08 |
| 10175646 | Cooling device and image forming apparatus incorporating the cooling device | — | 2019-01-08 |
| 7340204 | Color image forming apparatus and process cartridge therefor | Yasushi Nakazato, Masaaki Yamada, Kazumi Suzuki, Takeo Yamaguchi, Nekka Matsuura +1 more | 2008-03-04 |
| 6108511 | Toner collecting and reusing device for use in an image forming apparatus and a method thereof | Seiji Oka, Tetsuo Yamaoka, Keisuke Hayashi, Shinji Tamaki | 2000-08-22 |
| 5822667 | Transfer separator | Yuko Hayama, Hirokazu Ishii, Satoshi Takano, Hakuti Mizuishi, Hiroshi Itoh +1 more | 1998-10-13 |
| 5815767 | Image forming apparatus | Masaru Tanaka, Takeo Suda, Mitsuru Sato, Toshitaka Yamaguchi, Kenzou Tatsumi | 1998-09-29 |
| 5812919 | Image transferring device for an image forming apparatus | Satoshi Takano, Itaru Matsuda, Yuko Hayama, Hirokazu Ishii, Haruji Mizuishi +1 more | 1998-09-22 |
| 5697020 | Image forming apparatus for moving a charging roller towards and away from a photoreceptor and a cleaning member for the charging roller | Mitsuru Sato, Takeshi Saito, Toshitaka Yamaguchi | 1997-12-09 |
| 5678125 | Image forming apparatus | Masaru Tanaka, Takeo Suda, Mitsuru Sato, Toshitaka Yamaguchi, Kenzou Tatsumi | 1997-10-14 |
| 5631725 | Image transfer device for an image forming apparatus | Yuko Harasawa, Itaru Matsuda, Satoshi Takano, Hirokazu Ishii | 1997-05-20 |
| 5557382 | Toner replenishing device for a developing device | Kenzou Tatsumi, Takeshi Saito, Noboru Kusunose, Shigeru Yoshiki | 1996-09-17 |
| 5552871 | Image transferring device for image forming apparatus | Masakuni Konja | 1996-09-03 |
| 5493371 | Image transferring device for image forming apparatus | Masakuni Konja | 1996-02-20 |