Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673283 | Copying machine | Masahiko Hisajima, Yutaka Shigemura, Yoshinori Makiura | 1987-06-16 |
| 4671643 | Controlling method of a copying machine | Yutaka Shigemura, Yoshinori Makiura | 1987-06-09 |
| 4618252 | Copying machine with a variable magnification device | Masahiko Hisajima, Yutaka Shigemura, Yoshinori Makiura | 1986-10-21 |
| 4607954 | Automatic developing bias control device | Haruya Osaka, Hiroshi Kimura, Masahiko Hisajima, Yutaka Shigemura, Seiji Kaminaga +1 more | 1986-08-26 |
| 4519702 | Apparatus for regulating the movement of a movable member | Yutaka Shigemura, Hiroshi Kimura, Masahiko Hisajima, Shinobu Satonaka, Seiji Kaminaga | 1985-05-28 |