Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861650 | Electron beam detector, scanning type electron microscope, mass spectrometer, and ion detector | Minoru Kondo, Atsushi Kibune | 2005-03-01 |
| 6538399 | Electron tube | Hideki Shimoi, Hiroyuki Kyushima, Yutaka Hasegawa | 2003-03-25 |
| 6020684 | Electron tube with improved airtight seal between faceplate and side tube | Yasuharu Negi, Atsushi Kibune, Yutaka Hasegawa, Shigeru Ichikawa, Hitoshi Kishita +2 more | 2000-02-01 |
| 6008579 | Electron tube with improved airtight seal between faceplate and side tube | Yasuharu Negi, Norio Asakura, Motohiro Suyama | 1999-12-28 |