Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442360 | Lamp holder, and lamp cartridge using the same and fixing unit using the same | Ken Onodera, Sho Sawahata, Shuho Yokokawa | 2002-08-27 |
| 6393248 | Fixing device of image forming apparatus and fixing roller | Teruaki Tsurusaki, Shuho Yokokawa, Sho Sawahata, Ken Onodera | 2002-05-21 |
| D420042 | Cleaning member for fixing roller in an image forming apparatus | Tomomichi Kawashima, Shuho Yokokawa, Tsukasa Onose, Hiroshi Hakuta | 2000-02-01 |
| 5881348 | Release agent supplying member, release agent supplying apparatus and fixing apparatus using the same | Ken Onodera, Shuho Yokokawa, Hiroshi Ueno, Sho Sawahata, Tetsuya Ohba | 1999-03-09 |
| 5842098 | Fixing apparatus and fixing method for electrophotographic apparatus | Hiroshi Ueno, Shuho Yokokawa, Sho Sawahata, Ken Onodera, Tetsuya Ohba | 1998-11-24 |
| 5818496 | Exposure device of electrophotographic apparatus with optical path position deciding device | Youji Hirose, Yasuyuki Tsuji, Shuuho Yokokawa, Isao Nakajima, Muneyoshi Akai +7 more | 1998-10-06 |
| 5802444 | Electrophotographic apparatus for a continuous strip of paper sheets fixed by a heat fixing unit | Youichi Takeuchi, Akihiko Yamazaki, Shuho Yokokawa, Isao Nakajima, Kazuhiro Shimojima +2 more | 1998-09-01 |
| 5745817 | Electrophotographic apparatus and paper detector thereof and paper detecting method thereof | Akihiko Yamazaki, Shuho Yokokawa, Youji Hirose, Hidenori Iwanaga | 1998-04-28 |
| 5606403 | Toner supply control system for an electrophotographic apparatus | Toru Kikuchi, Shuho Yokokawa, Isao Watanabe, Satoshi Aita, Hidenori Takayasu +4 more | 1997-02-25 |
| 5578819 | Optical recorder having a signal separation circuit and a FIFO memory circuit | Keiji Kataoka, Susumu Saito, Shuuho Yokokawa, Satoshi Aita, Muneyoshi Akai +4 more | 1996-11-26 |
| 5572290 | Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds | Hiroshi Ueno, Yasuyuki Tsuji, Shuuho Yokokawa, Isao Nakajima, Youji Hirose +7 more | 1996-11-05 |
| 5545840 | Developing device in electrophotographic apparatus including developing poll configuration while stably carries developer | Koji Doi, Yasuyuki Tsuji, Shuuho Yokokawa, Youji Hirose, Hiroshi Ueno +3 more | 1996-08-13 |
| 5516982 | Developing apparatus having developer regulating member | Youichi Takeuchi, Yasuyuki Tsuji, Shuuho Yokokawa, Youji Hirose, Hiroshi Ueno +3 more | 1996-05-14 |
| 5402409 | Optical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording position | Keiji Kataoka, Susumu Saito, Yasuyuki Tsuji, Shuuho Yokokawa, Tsukasa Ogawa +2 more | 1995-03-28 |
| 5359396 | Toner density detection method for electrophotographic apparatus | Yoshio Ogura, Yasuyuki Tsuji, Shuuho Yokokawa, Isao Nakajima, Muneyoshi Akai +3 more | 1994-10-25 |
| 5111235 | Method of operating electrophotographic printing apparatus | Hiroshi Ueno, Yasuo Kikuchi, Koji Doi, Tsukasa Onose, Toshitaka Ogawa | 1992-05-05 |