Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718153 | Developing device for preventing thickening of the developer at both ends of a sleeve | Yasuyuki Hirai, Kotaro Kawasaki, Satoru Yonemoto, Naoyuki Ishida, Yukihiro Ito +3 more | 2004-04-06 |