Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371371 | Magnetic immersion field emission electron gun systems capable of reducing aberration of electrostatic lens | Yuichiro Yamazaki, Takamitsu Nagai | 1994-12-06 |
| 5362968 | Optic column having particular major/minor axis magnification ratio | Yuichiro Yamazaki, Katsuya Okumura | 1994-11-08 |
| 5359197 | Apparatus and method of aligning electron beam of scanning electron microscope | Fumio Komatsu | 1994-10-25 |
| 5315119 | Electron beam irradiating apparatus and electric signal detecting apparatus | Fumio Komatsu, Katsuya Okumura | 1994-05-24 |
| 5293045 | Electrostatic lens | Katsuya Okumura, Yuichiro Yamazaki | 1994-03-08 |