Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861650 | Electron beam detector, scanning type electron microscope, mass spectrometer, and ion detector | Minoru Kondo, Toshimitsu Nagai | 2005-03-01 |
| 6020684 | Electron tube with improved airtight seal between faceplate and side tube | Yasuharu Negi, Toshimitsu Nagai, Yutaka Hasegawa, Shigeru Ichikawa, Hitoshi Kishita +2 more | 2000-02-01 |