Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659839 | Voltage control apparatus for controlling a charger in an image forming apparatus | Kazuhiro Mizude, Masahiro Tsutsumi, Hiroyuki Hazama, Masaru Watanabe, Hidehiro Tabuchi | 1997-08-19 |