Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692232 | Electrophotographic apparatus that prevents toner from attaching to a contact member of a transfer device | Yoshiaki Okano, Hiroshi Hashizume, Hirotaka Fukuyama, Kouichirou Satou, Satoshi Katagata +4 more | 1997-11-25 |
| 5677725 | Image forming apparatus and method performing a halftone image by pulse-width modulation | Tsunao Honbo, Takashi Suzuki | 1997-10-14 |
| 5664251 | Method of making an aperture plate for a multibeam pattern drawing apparatus | Satoru Tachihara, Koichi Maruyama, Takashi Okuyama, Tamihiro Miyoshi, Shinichi Suzuki | 1997-09-02 |
| 5655178 | Electrophotographic apparatus having cleaning device and developing device configured to prevent toner leakage | Masaaki Ishikawa, Michihisa Iguchi, Hiroshi Hashizume, Kouichirou Satou, Yoshiaki Okano +6 more | 1997-08-05 |
| 5648050 | Metal carrier | Toshiki Matsumoto, Tetsuya Toyao, Shigeru Maehara, Hiromasa Aoki, Tatsuya Fujita +4 more | 1997-07-15 |
| 5606850 | Outdoor working automating system | — | 1997-03-04 |
| 5600417 | Developing device for electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Yoshiaki Okano, Chinobu Sakai +4 more | 1997-02-04 |