Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359396 | Toner density detection method for electrophotographic apparatus | Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima, Muneyoshi Akai +3 more | 1994-10-25 |