Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406667 | Fixing device, image forming apparatus, and fixing method using an oiling unit and removing member | Makoto Yagawara, Souichi Nakazawa, Sho Sawahata, Ken Onodera, Masahiro Mizuno +2 more | 2013-03-26 |
| 8095037 | Corona wire cartridge, corona discharger, and image forming apparatus using the corona discharger | Yoshinari Onuma, Koji Doi, Hiroshi Kikuchi | 2012-01-10 |
| 7953335 | Image forming apparatus and tandem image forming apparatus | Akitomo Kuwabara, Sho Sawahata, Yukio Otome, Akihiko Yamazaki, Hiroyuki Mabuchi | 2011-05-31 |
| 7865112 | Electrophotographic printer | Tomohiko Saito, Sho Sawahata, Yukio Otome, Jyun Ogino | 2011-01-04 |
| D590439 | Corona wire cartridge | Hiroshi Kikuchi, Koji Doi, Yoshinari Onuma | 2009-04-14 |
| 7451902 | Web transporting mechanism of printing apparatus | Yuji Ohmura, Takeshi Terakado, Hidenori Iwanaga | 2008-11-18 |
| 6969206 | Tension generating mechanism for a printing apparatus | Hidenori Iwanaga, Takeshi Terakado, Yuji Ohmura | 2005-11-29 |
| 6947698 | Fixing apparatus of electrophotographic printer | Sho Sawahata, Shuho Yokokawa, Isao Nakajima, Ken Onodera, Yasuhide Nakazawa | 2005-09-20 |
| 6592276 | Printer for forming an image on a transported web | Tetsuya Ohba, Takeshi Terakado | 2003-07-15 |
| D420042 | Cleaning member for fixing roller in an image forming apparatus | Tomomichi Kawashima, Shuho Yokokawa, Kunitomo Takahashi, Hiroshi Hakuta | 2000-02-01 |
| 5572290 | Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds | Hiroshi Ueno, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima +7 more | 1996-11-05 |
| 5557386 | Toner recovering device for electrophotographic apparatus and toner recovering filter for said toner recovering device | Yuuji Meguro, Shuho Yokokawa, Isao Nakajima, Hiroshi Ueno | 1996-09-17 |
| 5453820 | Developing device having a developer mixing chamber for use in electrophotographic apparatus | Hiroshi Ueno, Yasuyuki Tsuji, Shuuho Yokokawa, Isao Nakajima, Yoshio Ogura +1 more | 1995-09-26 |
| 5359396 | Toner density detection method for electrophotographic apparatus | Yoshio Ogura, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima +3 more | 1994-10-25 |
| 5111235 | Method of operating electrophotographic printing apparatus | Hiroshi Ueno, Yasuo Kikuchi, Kunitomo Takahashi, Koji Doi, Toshitaka Ogawa | 1992-05-05 |
| 5008716 | Paper cooling apparatus for an electrophotographic printer | Yasuo Kikuchi, Toshitaka Ogawa, Minoru Seino | 1991-04-16 |
| 4910555 | Electrophotographic device with controlled exposed potential | Osamu Namikawa, Yasuo Kikuchi, Minoru Seino, Hiroshi Ueno, Koji Doi +2 more | 1990-03-20 |