Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579139 | Film formation method, method for fabricating electron emitting element employing the same film, and method for manufacturing image forming apparatus employing the same element | Mitsutoshi Hasegawa, Kazuhiro Sando, Kazuya Shigeoka | 2003-06-17 |