Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8420298 | Method for production of crosslinked polyvinyl acetal resin, and crosslinked polyvinyl acetal resin | Yuki Hirose, Motokuni Ichitani, Takayuki Maeda | 2013-04-16 |
| 6489074 | Toner resin composition and toner | Takashi Shinjo | 2002-12-03 |
| 6358487 | Carbon black and process for producing the same | Yoshihiro Omae, Nobutake Mise, Yutaka Fukuyama, Yuuichi Sekine, Takaharu Yamamoto +5 more | 2002-03-19 |
| 6190816 | Toner resin composition and toner | Takashi Ueyama, Masazumi Okudo | 2001-02-20 |
| 6106988 | Toner resin composition and toner prepared therefrom | Toshiharu Furukawa, Takashi Ueyama, Masazumi Okudo | 2000-08-22 |