Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8198797 | Method of controlling electron beam focusing of pierce-type electron gun and control apparatus therefor | Eiichi Iijima, Tohru Satake | 2012-06-12 |
| 6616417 | Spatter ion pump | — | 2003-09-09 |
| 5980212 | Anode-cathode structure for ion pump having specifically determined dimensions | Nozomu Takagi, Toshihiro Terasawa, Tsuyoshi Kotani, Hiroyuki Kinpara, Katsuji Nakajima +1 more | 1999-11-09 |