Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9732240 | Inkjet pigment ink | Natsuko Kokubo, Joji Mikami, Masayoshi Utsugi, Yasutaka Itimura, Satoshi Washio +3 more | 2017-08-15 |
| 8344047 | Dispersing agent, and pigment composition, pigment-dispersed product and inkjet ink prepared therefrom | Tomoko Tachibana, Yasushi Ariyoshi, Ken Yamazaki, Atsushi Yoda, Daisuke Fujiwara +2 more | 2013-01-01 |
| 7811738 | Image forming method | Muneharu Ito, Toshiyuki Nagai, Toshiro Murano, Fuminori Tsuruta, Tomoharu Takeuchi +2 more | 2010-10-12 |
| 6740463 | Method for producing toner by mixing colored particles and outer-additive by mixer with stirrer of high speed rotation | Hidetoshi Azuma, Yoshihiro Makuta, Hirosi Yamamoto, Nobuyasu Ota, Kazuhiro Sato +1 more | 2004-05-25 |
| 5741618 | Process for producing polymer toner | Tokudai Ogawa | 1998-04-21 |
| 5716748 | Developer and finely particulate polymer | Jun Hasegawa, Katsuhiro Imai, Nobuyasu Ota | 1998-02-10 |
| 5328792 | Non-magnetic one-component developer and development process | Katsuhiro Hasegawa, Jun Saito | 1994-07-12 |
| 4725534 | Process for producing a heat-developable photosensitive material | Kenji Kagami, Kenichi Nishio, Yukio Takegawa | 1988-02-16 |