Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894090 | Method for producing aqueous dispersion of thermoplastic resin microparticles and toner for electrophotography | Hiroyuki Terada, Hideki Watanabe | 2005-05-17 |
| 6682867 | Toner for electrophotography | Masahiko Kubo, Tadayuki Sawai, Satoshi Ogawa, Hiroyuki Terada, Yoshinori Shimane | 2004-01-27 |
| 6248493 | Toner for non-magnetic single component development | Katsuyuki Ogura, Masanobu Nakamura, Hiroyuki Mariko, Yoshinori Shimane, Ryozo Sugawara +1 more | 2001-06-19 |
| 6238836 | Toner composition and developer for electrostatic image development | Masanobu Nakamura, Toshiro Kogawara, Hideki Gambayashi, Norio Aoki, Yoshinori Shimane +1 more | 2001-05-29 |
| 5885743 | Electrophotographic toner and process for the preparation thereof | Hitoshi Takayanagi, Hiroko Sakurai, Kazuo Itoya, Yukiko Soma, Kenichi Hirabayashi +4 more | 1999-03-23 |
| 5843614 | Manufacturing method for toner used in electrophotography | Hideki Watanabe, Seiichi Uno, Munekazu Hayashi | 1998-12-01 |
| 5691095 | Toner for developing electrostatic latent image and process for producing the same | Hideki Watanabe, Seiichi Uno, Nansei Tashiro, Minoru Nomura | 1997-11-25 |
| 5002847 | Process of producing electrophotographic toners comprises ultrasonic mixing and suspension polymerization | Hiroshi Utsumi, Kazuya Kuriyama, Ryouzo Sugawara, Masanobu Fukuda, Shunichi Hiraishi | 1991-03-26 |
| 4931370 | Color toner composition for developing electrostatic images | Shinji Amaya, Yoshiyuki Iwanari, Toshiro Kogawara, Syuuichi Yamazaki, Seiichi Shimizu +1 more | 1990-06-05 |