Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828075 | Carrier for electrophotography and developer using the same | Kousuke Suzuki, Yasuo Asahina, 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, Yasuo Asahina, Kazuhiko Umemura, Minoru Masuda, Kohsuke Suzuki +1 more | 2004-11-16 |
| 6770411 | Negatively chargeable toner | Minoru Masuda, Yasuo Asahina, Kazuhiko Umemura, Hideki Sugiura, Kohsuke Suzuki +1 more | 2004-08-03 |
| 6757507 | Image formation apparatus using a dry two-component developer for development | Naohito Shimota, Hiroaki Matsuda, Shinichiro Yagi, Tomomi Tamura, Tatsuya Niimi | 2004-06-29 |
| 6703635 | Method and apparatus for measuring the level of liquid using optical fiber strain gauge | Takamasa Yashiro, Takaharu Yoshitomi | 2004-03-09 |