Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8232711 | Surface emission type electron source and drawing device | Akira Kojima | 2012-07-31 |
| 7929396 | Electron beam applying apparatus and drawing apparatus | Takeshi Miyazaki, Takashi Obara | 2011-04-19 |
| 7522510 | Electron beam applying apparatus and drawing apparatus | Takeshi Miyazaki, Takashi Obara | 2009-04-21 |