Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440627 | Toner for developing electrostatic image, process for preparation of the same, developer for electrostatic image, and process for forming image | Shuji Sato, Takao Ishiyama, Manabu Serizawa, Masaaki Suwabe, Yasuo Matsumura | 2002-08-27 |
| 6391510 | Toner for developing electrostatic latent image, process for producing the same, developer and process for producing image | Takao Ishiyama, Manabu Serizawa, Yasuo Matsumura, Hideo Maehata | 2002-05-21 |