Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5818496 | Exposure device of electrophotographic apparatus with optical path position deciding device | Youji Hirose, Yasuyuki Tsuji, Kunitomo Takahashi, Isao Nakajima, Muneyoshi Akai +7 more | 1998-10-06 |
| 5578819 | Optical recorder having a signal separation circuit and a FIFO memory circuit | Keiji Kataoka, Susumu Saito, Satoshi Aita, Muneyoshi Akai, Shigeo Nemoto +4 more | 1996-11-26 |
| 5572290 | Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds | Hiroshi Ueno, Yasuyuki Tsuji, Kunitomo Takahashi, 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, Kunitomo Takahashi, Youji Hirose, Hiroshi Ueno +3 more | 1996-08-13 |
| 5516982 | Developing apparatus having developer regulating member | Youichi Takeuchi, Yasuyuki Tsuji, Kunitomo Takahashi, Youji Hirose, Hiroshi Ueno +3 more | 1996-05-14 |
| 5453820 | Developing device having a developer mixing chamber for use in electrophotographic apparatus | Hiroshi Ueno, Yasuyuki Tsuji, Isao Nakajima, Tsukasa Onose, Yoshio Ogura +1 more | 1995-09-26 |
| 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, Kunitomo Takahashi, Tsukasa Ogawa +2 more | 1995-03-28 |
| 5359394 | Foreign matter removing mechanism for electrophotographic printer | Hiroyuki Ogawa, Kuraichi Fukaya, Takao Chikuzenya | 1994-10-25 |
| 5359396 | Toner density detection method for electrophotographic apparatus | Yoshio Ogura, Yasuyuki Tsuji, Kunitomo Takahashi, Isao Nakajima, Muneyoshi Akai +3 more | 1994-10-25 |