Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6242854 | Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si | Yoji Yamamoto, Masaki Kawasaki, Junya Nakai, Tetsuya Shimizu | 2001-06-05 |