Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973495 | Method of forming color tube phosphor screen | Norio Koike, Kazuhiko Shimizu | 1990-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973495 | Method of forming color tube phosphor screen | Norio Koike, Kazuhiko Shimizu | 1990-11-27 |