Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250942 | Display apparatus and method of controlling display apparatus | Kazuaki Sugai, Atsushi Sakakibara, Yoshikazu Shibamiya, Eisaku Tatsumi, Kenzo Ina +3 more | 2007-07-31 |
| 6015048 | Gas current classifier and process for producing toner | Yoshinori Tsuji | 2000-01-18 |
| 6015648 | Gas stream classifier and process for producing toner | Toshinobu Ohnishi, Yoshinori Tsuji | 2000-01-18 |
| 5934575 | Pneumatic impact pulverizer and process for producing toner | Toshinobu Ohnishi, Yoshinori Tsuji | 1999-08-10 |
| 5934478 | Gas stream classifier and process for producing toner | Toshinobu Ohnishi, Yoshinori Tsuji | 1999-08-10 |
| 5931306 | Gas current classifier and process for producing toner | Hitoshi Kanda, Masayoshi Kato, Yoko Goka, Yoshinori Tsuji | 1999-08-03 |
| 5865381 | Surface treating apparatus for solid particles, surface treating method therefor and method for producing toner | Toshinobu Ohnishi, Yoshinori Tsuji | 1999-02-02 |
| 5856056 | Process for producing toner | Kazuhiko Omata, Yasuhide Goseki, Hitoshi Kanda | 1999-01-05 |
| 5839670 | Pneumatic impact pulverizer, fine powder production apparatus, and toner production process | Kazuhiko Omata, Hitoshi Kanda, Momosuke Takaichi, Kazuyuki Miyano | 1998-11-24 |
| 5840459 | Toner for developing electrostatic images and process for production thereof | Manabu Ohno, Nobuyuki Okubo, Yoshinori Tsuji | 1998-11-24 |
| 5712075 | Gas current classifier and process for producing toner | Hitoshi Kanda, Masayoshi Kato, Yoko Goka, Yoshinori Tsuji | 1998-01-27 |
| 5577670 | Pneumatic impact pulverizer system | Kazuhiko Omata, Hitoshi Kanda, Momosuke Takaichi, Kazuyuki Miyano | 1996-11-26 |
| 5447275 | Toner production process | Yoko Goka, Hitoshi Kanda, Kazuyuki Miyano | 1995-09-05 |
| 5435496 | Collision-type gas current pulverizer and method for pulverizing powders | Hitoshi Kanda, Masayoshi Kato, Yusuke Yamada, Yasuhide Goseki | 1995-07-25 |
| 5358183 | Pneumatic pulverizer and process for producing toner | Hitoshi Kanda, Kazuhiko Omata | 1994-10-25 |
| 5316222 | Collision type gas current pulverizer and method for pulverizing powders | Hitoshi Kanda, Masayoshi Kato, Yusuke Yamada, Yasuhide Goseki | 1994-05-31 |
| 5165549 | Gas current classifying separator | Hitoshi Kanda, Toshiaki Sasaki, Masayoshi Kato | 1992-11-24 |
| 5111998 | Process for producing toner for developing electrostatic image and apparatus system therefor | Hitoshi Kanda, Yusuke Yamada, Masayoshi Kato, Yasuhide Goseki | 1992-05-12 |
| 4930707 | Pneumatic pulverizer and pulverizing method | Mayumi Kashiwagi, Toshiaki Sasaki, Masayoshi Kato | 1990-06-05 |