Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5291253 | Corona deterioration and moisture compensation for transfer unit in an electrophotographic apparatus | Takao Kumasaka, Yuzuru Simazaki, Yasuo Takuma, Masato Yamada | 1994-03-01 |