Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617091 | Production method of toner | Yoshiki Nishimori, Takao Yamanouchi, Meizo Shirose, Hiroyuki Yamada | 2003-09-09 |
| 6602644 | Toner and image forming method | Asao Matsushima, Meizo Shirose, Tsuyoshi Uchida, Hiroyuki Yamada, Akira Ohira +1 more | 2003-08-05 |
| 4965159 | Carrier for developing electrostatic image, and developer for developing electrostatic latent image containing same carrier | Kenji Tsujita | 1990-10-23 |