Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669047 | Charging member, electrophotographic apparatus and charging method using the same | Masami Okuda, Hisami Tanaka, Hiroyuki Ohmori, Takashi Koyama, Masafumi Hisamura | 1997-09-16 |