Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635398 | Dry toner, dry toner production process, and image forming method | Keiji Komoto, Tatsuhiko Chiba, Akira Hashimoto | 2003-10-21 |
| 6610454 | Toner and image forming method | Akira Hashimoto, Manabu Ohno, Tsuyoshi Takiguchi, Yasukazu Ayaki, Satoshi Handa +2 more | 2003-08-26 |
| 6596452 | Magnetic toner and image-forming method making use of the same | Michihisa Magome, Tsuyoshi Takiguchi, Tatsuhiko Chiba, Akira Hashimoto, Keiji Komoto | 2003-07-22 |
| 6548218 | Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same | Kenji Okado, Shuichi Aita, Tsuyoshi Takiguchi | 2003-04-15 |