Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572961 | Transparent hard coat film containing at least two inorganic particles of different particle sizes | Masuo Koyama | 2003-06-03 |
| 6495253 | Support film for a transparent conductive thin film | Masuo Koyama, Yoshihisa Kimura | 2002-12-17 |