Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8760056 | Electron emitting element, devices utilizing said element, and method for producing said element | Hiroyuki Hirakawa, Ayae Nagaoka, Yasuo Imura, Tadashi Iwamatsu | 2014-06-24 |
| 8421331 | Electron emitting element and method for producing the same | Ayae Nagaoka, Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu | 2013-04-16 |