Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8545133 | Filter cloth traveling type belt filter and production method of toner particles | Hidekazu Fumita, Takeshi Tsujino, Minoru Omura, Satoshi Iki, Naoto Aiko | 2013-10-01 |
| 7494758 | Process for producing toner particles | Takeshi Tsujino, Satoshi Iki, Shinya Matsumura | 2009-02-24 |
| 6953648 | Process for producing toner particles | Takeshi Tsujino, Hitosi Kanda, Ryoichi Fujita | 2005-10-11 |
| 6951704 | Process for producing toner particles | Hidekazu Fumita | 2005-10-04 |
| 6835521 | Process for producing toner particles, and toner | Toshiyuki Ugai, Akira Hashimoto, Hidekazu Fumita | 2004-12-28 |
| 6495303 | Process of producing polymerized toner | Hitoshi Kanda, Takeshi Naka, Hiroshi Koyama | 2002-12-17 |
| 6309788 | Process for producing toner | Atsushi Kubo, Minoru Ohmura, Hitoshi Kanda, Takeshi Tsujino | 2001-10-30 |
| 6015048 | Gas current classifier and process for producing toner | Satoshi Mitsumura | 2000-01-18 |
| 6015648 | Gas stream classifier and process for producing toner | Satoshi Mitsumura, Toshinobu Ohnishi | 2000-01-18 |
| 5934478 | Gas stream classifier and process for producing toner | Satoshi Mitsumura, Toshinobu Ohnishi | 1999-08-10 |
| 5934575 | Pneumatic impact pulverizer and process for producing toner | Toshinobu Ohnishi, Satoshi Mitsumura | 1999-08-10 |
| 5931306 | Gas current classifier and process for producing toner | Satoshi Mitsumura, Hitoshi Kanda, Masayoshi Kato, Yoko Goka | 1999-08-03 |
| 5865381 | Surface treating apparatus for solid particles, surface treating method therefor and method for producing toner | Satoshi Mitsumura, Toshinobu Ohnishi | 1999-02-02 |
| 5840459 | Toner for developing electrostatic images and process for production thereof | Manabu Ohno, Satoshi Mitsumura, Nobuyuki Okubo | 1998-11-24 |
| 5712075 | Gas current classifier and process for producing toner | Satoshi Mitsumura, Hitoshi Kanda, Masayoshi Kato, Yoko Goka | 1998-01-27 |