Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7304440 | Electron-emitting apparatus | Iwao Ohwada, Takayoshi Akao, Hirokazu Nakamura | 2007-12-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7304440 | Electron-emitting apparatus | Iwao Ohwada, Takayoshi Akao, Hirokazu Nakamura | 2007-12-04 |