Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517028 | Electron beam apparatus for measuring a voltage of a sample | Akio Ito, Hazuhiro Kakazawa | 1996-05-14 |
| 5416426 | Method of measuring a voltage with an electron beam apparatus | Kazuo Okubo, Akio Ito, Hironori Teguri | 1995-05-16 |
| 5300880 | Method of measuring a voltage with an electron beam apparatus | Kazuo Okubo, Akio Ito, Hironori Teguri | 1994-04-05 |