Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5545840 | Developing device in electrophotographic apparatus including developing poll configuration while stably carries developer | Koji Doi, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Youji Hirose +3 more | 1996-08-13 |