Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465144 | Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the toner | Akira Hashimoto, Kenji Okado, Tatsuya Nakamura, Tsuyoshi Takiguchi, Tatsuhiko Chiba +2 more | 2002-10-15 |
| 6447969 | Toner and image forming method | Masanori Ito, Tsuyoshi Takiguchi, Tatsuhiko Chiba, Michihisa Magome, Akira Hashimoto +1 more | 2002-09-10 |