Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9415614 | Recording apparatus | — | 2016-08-16 |
| 9193181 | Recording apparatus | — | 2015-11-24 |
| 7929884 | Image forming apparatus, developing unit, and computer system | Ken Yoshizuka, Toshiya Takahata | 2011-04-19 |
| 7646994 | Image forming apparatus developing unit and computer system | Ken Yoshizuka, Toshiya Takahata | 2010-01-12 |
| 7469117 | Image forming apparatus, developing unit, and computer system | Toshiya Takahata, Ken Yoshizuka | 2008-12-23 |
| 7340201 | Image formation device, development unit, and computer system | Ken Yoshizuka, Toshiya Takahata | 2008-03-04 |
| 5508799 | Method and apparatus for punching a hole in a stack of sheets in an image forming apparatus having a hole puncher | — | 1996-04-16 |
| 5290020 | Sheet finishing device with calculating means for efficient operation | Toshikazu Matsui, Takatoshi Nishimura, Kenichi Honda, Shoichiro Tajima, Keiichi Asano +4 more | 1994-03-01 |
| 5200790 | Automatic document conveying device | Yoshiyuki Takeda, Tsuyoshi Nagao, Yasuhiko Kida | 1993-04-06 |
| D333483 | Sorter for an image forming apparatus | Yutaka Nishimura | 1993-02-23 |
| 5186445 | Sheet handling apparatus, with sheet storage bins conveyable in a verticle and a lateral direction | Tsugio Nakanishi, Tsuyoshi Nagao | 1993-02-16 |
| 5180152 | Sorter | — | 1993-01-19 |
| 5156390 | Automatic document conveying device permitting the neat stacking of discharged documents | Tsuyoshi Nagao, Yoshiyuki Takeda, Yasuhiko Kida | 1992-10-20 |
| 5143363 | Automatic document conveying device | Yoshiyuki Takeda, Tsuyoshi Nagao, Yasuhiko Kida | 1992-09-01 |
| 5126787 | Automatic document conveying device | Yoshiyuki Takeda, Tsuyoshi Nagao, Yasuhiko Kida | 1992-06-30 |
| 5064188 | Automatic document conveying device which opens so jams may be cleared | Tsuyoshi Nagao, Yoshiyuki Takeda, Yasuhiko Kida | 1991-11-12 |
| 5027162 | Automatic document conveying device | Yasuhiko Kida, Yoshiyuki Takeda, Tsuyoshi Nagao | 1991-06-25 |
| 4878660 | Sorter | — | 1989-11-07 |
| 4879578 | Paper feeding device and a paper guiding device in a copying apparatus | Masahiko Hisajima, Hiroshi Kimura, Yutaka Shigemura, Isao Yada, Kiyoshi Morimoto +1 more | 1989-11-07 |
| 4863155 | Compact sorter for copying machine | — | 1989-09-05 |
| 4733280 | Original illuminating device of a copying machine | — | 1988-03-22 |
| 4623137 | Paper feeder equipped with copying paper cassettes | Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Shibata, Yasuhiko Yoshikawa | 1986-11-18 |
| 4607943 | Control circuit for an electrostatic copying apparatus | Masahiro Yoshioka, Masahiro Murakami, Tsugio Nakanishi, Eiji Tsutsui, Noriyuki Iwao +2 more | 1986-08-26 |
| 4602864 | Cleaning device in electrostatic copying apparatus | Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Shibata, Kiyoshi Morimoto, Takashi Nagashima +5 more | 1986-07-29 |
| 4571062 | Electrostatic copying process and apparatus | Masahiro Yoshioka, Masahiro Murakami, Tsugio Nakanishi, Eiji Tsutsui, Noriyuki Iwao +2 more | 1986-02-18 |