Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498426 | Field emission-type electron source and manufacturing method thereof | Yoshifumi Watabe, Yukihiro Kondo, Koichi Aizawa, Yoshiaki Honda, Takashi Hatai +2 more | 2002-12-24 |