Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5741009 | Sheet sorting apparatus | Minoru Kawano, Shigemi Yukizane, Hirotaka Kataoka, Hirohiko Okabe, Yoshiyuki Kikuiri | 1998-04-21 |
| 5590871 | Recording sheet finishing apparatus | Hirohiko Okabe, Shigemi Yukizane, Toshitaka Matsumoto, Minoru Kawano | 1997-01-07 |
| 5532809 | Copying machine having automatic document feeding device | Izumi Hamanaka, Mitsuru Nagoshi, Toshio Yokoyama, Toshitaka Matsumoto, Hiroshi Gomi +1 more | 1996-07-02 |
| 4988030 | Printed recording paper processing apparatus | Takeshi Muramatu, Tsugio Hirabayashi | 1991-01-29 |