Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630275 | Magnetic toner and process cartridge | Kaori Hiratsuka, Hirohide Tanikawa, Tsutomu Onuma, Nobuyuki Okubo | 2003-10-07 |
| 6630277 | Toner production system | Takeshi Naka, Momosuke Takaichi, Kiyoshi Kanai | 2003-10-07 |
| 6589701 | Dry toner, image forming method and process cartridge | Katsuhisa Yamazaki, Tsutomu Onuma, Nobuyuki Okubo, Kaori Hiratsuka | 2003-07-08 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Takashige Kasuya +4 more | 2003-07-01 |
| 6537715 | Toner, image-forming method and process cartridge | Yuichi Mizoo, Takeshi Naka, Masami Azuma, Takashige Kasuya, Tadashi Dojo +3 more | 2003-03-25 |