Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763880 | Cathode, electron beam emission apparatus using the same, and method of manufacturing the cathode | Masakuni Okamoto, Hiroyuki Shinada, Katsuhiro Kuroda | 1998-06-09 |