Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682572 | Image density control method for an image recorder | Kazuo Murai, Hisao Murayama | 1997-10-28 |
| 5671470 | Color image forming device which changes developing bias when switching between developer units | Takayuki Maruta, Hiroshi Takashima, Tomoji Ishikawa, Kazuyuki Sugihara, Katsuhiro Kosuge | 1997-09-23 |
| 5624107 | Image forming apparatus with a document feeder | Masanobu Deguchi, Junichi Kajiwara, Masakiyo Okuda, Michiyuki Suzuki, Hideaki Hagihara +1 more | 1997-04-29 |
| 5604575 | Image forming apparatus with toner recycling device | Hiromitsu Takagaki, Hisao Murayama, Shigeru Watanabe, Mayumi Yoshida, Shunji Kato | 1997-02-18 |