Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D340470 | Laser beam printer | — | 1993-10-19 |
| 5241353 | Paper-discharging tray | Masanobu Maeshima, Makoto Eki, Hiroki Morishita, Junya Sasabe | 1993-08-31 |
| 5202728 | Image-forming machine with improved developer agitating means, developer regulating blade means, cleaning device, and toner recovery system | Masanobu Maeshima, Hiroyuki Maede, Toshihiro Sato, Masao Otsuka, Hiroaki Tsuchiya +1 more | 1993-04-13 |
| 5111244 | Image-forming machine with improved process and optional unit assemblies | Shigeo Koyama, Kazuhiro Kobayashi, Katsushi Horihata, Hiroyuki Tanaka | 1992-05-05 |
| D324540 | Computer peripheral equipment printer | Akiyoshi Tanizawa | 1992-03-10 |
| D322279 | Process unit for copying machine | — | 1991-12-10 |
| D321712 | Sheet feeder | — | 1991-11-19 |
| 5028966 | Image-forming machine | Nobuhiko Kozuka, Shigeo Koyama | 1991-07-02 |
| 5027152 | Image-forming machine having a process unit detachably mountable on a movable supporting and guiding means | Kenji Oda, Makoto Eki, Masanobu Maeshima | 1991-06-25 |
| 4728988 | Driving apparatus for optical systems of photocopier | Arihiro Tsunoda | 1988-03-01 |
| 4710017 | Optical unit holding device for copying machines | Toshio Watanabe, Arihiro Tsunoda | 1987-12-01 |
| 4607943 | Control circuit for an electrostatic copying apparatus | Masahiro Yoshioka, Masahiro Murakami, Yoichiro Irie, Tsugio Nakanishi, Noriyuki Iwao +2 more | 1986-08-26 |
| 4571062 | Electrostatic copying process and apparatus | Masahiro Yoshioka, Masahiro Murakami, Yoichiro Irie, Tsugio Nakanishi, Noriyuki Iwao +2 more | 1986-02-18 |
| 4568170 | Supporting frame for a variable ratio electrostatic copying apparatus | Masahiro Yoshioka, Masahiro Murakami, Yoichiro Irie, Tsugio Nakanishi, Noriyuki Iwao +2 more | 1986-02-04 |
| 4563074 | Engagement mechanism for a developing means in electrostatic copying machine | Masahiro Yoshioka, Masahiro Murakami | 1986-01-07 |
| 4551013 | Electrostatic copying process | Masahiro Yoshioka, Masahiro Murakami, Yoichiro Irie, Tsugio Nakanishi, Noriyuki Iwao +2 more | 1985-11-05 |
| 4516849 | Cleaning device for an electrostatic photographic copying machine | Masahiro Yoshioka, Masahiro Murakami, Noriyuki Iwao | 1985-05-14 |
| 4469428 | Corona discharging apparatus used in an electrostatic photographic copying machine | Masahiro Yoshioka, Masahiro Murakami, Noriyuki Iwao | 1984-09-04 |