Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646717 | Image forming apparatus having charging member | Koichi Hiroshima, Masahiro Goto, Yoji Serizawa, Makoto Takeuchi | 1997-07-08 |
| 5621510 | Image heating apparatus with driving roller having low thermal expansion coefficient outer layer | Kouichi Okuda, Akira Hayakawa, Takashi Shibuya, Hiroyuki Oba | 1997-04-15 |