Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983020 | Dyeing resistant insulation film of high quality for a color filter for use in a solid-state image pickup element | Toshimasa Nakayama, Hidekatsu Kohara, Daisuke Hayashi | 1991-01-08 |