Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555282 | Toner for developing electrostatic latent image, image forming method and image forming apparatus using the same | Hiroyoshi Okuno, Akira Matsumoto, Tsutomu Kubo, Yuusaku Shibuya, Yutaka Sugizaki | 2003-04-29 |
| 6403274 | Electrophotographic toner, process for preparing the same, and two-component developer | Kazufumi Tomita, Hiroyuki Tanaka, Hirotaka Matsuoka, Seiichi Takagi | 2002-06-11 |