Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619889 | Two-component developer, developing device, and image forming device | Maiko Nagaoka, Yoritaka Tsubaki, Takeshi Katoh | 2023-04-04 |
| 10732531 | Toner, two-component developer, and method for producing toner | Yoritaka Tsubaki, Takeshi Katoh, Osamu Wada, TADANORI KANO, Yuya Kondo +2 more | 2020-08-04 |
| 9969125 | Vibration welding device and vibration welding method | Taiki Moriizumi, Yushi Shinno | 2018-05-15 |
| 9535350 | Method for producing ground toner | Tadayuki Sawai, Yoritaka Tsubaki, Keigo Mitamura, Yui Kawano, Shintaro Fukuoka | 2017-01-03 |
| 9274447 | Two-component color developer and image formation device using same | Tadayuki Sawai, Yoritaka Tsubaki, Keigo Mitamura, Yui Kawano, Shintaro Fukuoka | 2016-03-01 |
| 9250549 | Full-color toner set, full-color developer set, image-formation method using same, and image-formation device | Shintaro Fukuoka, Tadayuki Sawai, Yoritaka Tsubaki, Keigo Mitamura, Yui Kawano | 2016-02-02 |
| 8609316 | Method for manufacturing capsule toner | Takashi Hara, Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Yoshinori Mutoh | 2013-12-17 |
| 8431315 | Capsule toner, method of manufacturing the same, and two-component developer | Yoshinori Mutoh, Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Takashi Hara | 2013-04-30 |
| 8431317 | Method for manufacturing capsule toner | Yoritaka Tsubaki, Yoshitaka Kawase, Yoshinori Mutoh, Takashi Hara, Yoshiaki Akazawa | 2013-04-30 |
| 8431316 | Toner manufacturing method | Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Yoshinori Mutoh, Takashi Hara | 2013-04-30 |
| 8431305 | Capsule toner, two-component developer, and image forming apparatus | Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Yoshinori Mutoh, Takashi Hara | 2013-04-30 |
| 8399171 | Method of manufacturing resin-layer coated carrier, resin-layer coated carrier, developer, developing device, and image forming apparatus | Takashi Hara, Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Yoshinori Mutoh | 2013-03-19 |
| 8389195 | Capsule toner and method of manufacturing capsule toner | Yoritaka Tsubaki, Yoshitaka Kawase, Yoshinori Mutoh, Takashi Hara, Yoshiaki Akazawa | 2013-03-05 |
| 8389193 | Method of manufacturing toner, toner obtained by method thereof, one-component developer, two-component developer, developing device, and image forming apparatus | Takashi Hara, Yoshitaka Kawase, Yoshiaki Akazawa, Yoritaka Tsubaki, Yoshinori Mutoh | 2013-03-05 |
| 8389194 | Method of manufacturing toner, toner obtained by method thereof, one-component developer, two-component developer, developing device and image forming apparatus | Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Yoshinori Mutoh, Takashi Hara | 2013-03-05 |
| 8304158 | Method for manufacturing toner, toner, developer, developing device, and image forming apparatus | Yoshinori Mutoh, Yoshiaki Akazawa, Yoshitaka Kawase, Yoritaka Tsubaki, Takashi Hara | 2012-11-06 |
| 8197999 | Method for manufacturing toner, toner, developer, developing device, and image forming apparatus | Yoshitaka Kawase, Saori Yamada, Yoshiaki Akazawa, Yoritaka Tsubaki, Yoshinori Mutoh +1 more | 2012-06-12 |
| 8187783 | Method of manufacturing toner, toner, two-component developer, developing device and image forming apparatus | Yasuhiro Shibai, Katsuru Matsumoto | 2012-05-29 |
| 8163458 | Method of manufacturing toner, toner, two-component developer, developing device, and image forming apparatus | Katsuru Matsumoto | 2012-04-24 |
| 8097395 | Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus | Katsuru Matsumoto, Nobuhiro Maezawa | 2012-01-17 |
| 8092968 | Toner, method of manufacturing toner, developer, two-component developer, developing device, and image forming apparatus | Ayae Nagaoka, Katsuru Matsumoto | 2012-01-10 |
| 8067143 | Functional particle and manufacturing method thereof | Katsuru Matsumoto, Nobuhiro Maezawa | 2011-11-29 |
| 8021817 | Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, developing apparatus, and image forming apparatus | Katsuru Matsumoto, Yasuhiro Shibai | 2011-09-20 |
| 7955771 | Toner for electrostatic image development and process for preparing the same | Yasuhiro Shibai, Yoritaka Tsubaki | 2011-06-07 |
| 7931876 | Method and apparatus for manufacturing developer, and developer | Shinichi Nakano, Yasuhiro Shibai | 2011-04-26 |