Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828075 | Carrier for electrophotography and developer using the same | Kousuke Suzuki, Satoshi Mochizuki, Kazuhiko Umemura, Hideki Sugiura, Minoru Masuda +1 more | 2004-12-07 |
| 6818369 | Toner for electrostatic image development and image forming method and apparatus using the toner | Hideki Sugiura, Satoshi Mochizuki, Kazuhiko Umemura, Minoru Masuda, Kohsuke Suzuki +1 more | 2004-11-16 |
| 6770411 | Negatively chargeable toner | Minoru Masuda, Satoshi Mochizuki, Kazuhiko Umemura, Hideki Sugiura, Kohsuke Suzuki +1 more | 2004-08-03 |