Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939801 | Electron beam observation device using pre-specimen magnetic field as image-forming lens and specimen observation method | Ken Harada | 2011-05-10 |
| 7923685 | Electron beam device | Ken Harada | 2011-04-12 |