Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013511 | Highly-efficient electron-emitting device and image display apparatus having a substrate with a distribution of nitrogen containing ratio | Takeo Tsukamoto | 2011-09-06 |
| 7884533 | Electron beam apparatus and image display apparatus using the same | Takeo Tsukamoto, Takuto Moriguchi | 2011-02-08 |