Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152185 | Electron source and production method therefor | Toshiyuki Morishita, Hiromitsu Chatani, Shimpei Hirokawa, Isao Sugimoto | 2021-10-19 |
| 10957511 | Electron source and production method therefor | Toshiyuki Morishita, Hiromitsu Chatani, Shimpei Hirokawa, Isao Sugimoto | 2021-03-23 |