Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307122 | Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images | Manabu Ohno, Hisayuki Ochi, Tetsuhito Kuwashima, Hiroyuki Suematsu, Eiichi Imai +3 more | 1994-04-26 |
| 5288579 | Developer for developing electrostatic image, image forming apparatus, apparatus unit and facsimile apparatus | Katsuhiko Tanaka, Kazuyoshi Hagiwara, Rika Doi | 1994-02-22 |