Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067477 | Resin composition for electrophotographic toners and electrophotographic toners | Nobuyoshi Shirai | 2011-11-29 |
| 6809889 | Radiation curable resin composition for fresnel lens and fresnel lens sheet | Hiroyuki Tokuda, Yasuhiro Doi | 2004-10-26 |
| 6524757 | Color filter and method for producing the same | Junichiro Koike, Hisatomo Yonehara, Hiroyuki Tokuda | 2003-02-25 |