Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950956 | Plasma processing apparatus | Tatsuo Asamaki, Kiyoshi Hoshino, Katsumi Ukai, Toshio Adachi, Tsutomu Tsukada | 1990-08-21 |
| 4700069 | Mass spectrometer of a quadrupole electrode type comprising a divided electrode | Isamu Morisako | 1987-10-13 |
| 4691160 | Apparatus comprising a double-collector electron multiplier for counting the number of charged particles | — | 1987-09-01 |
| 4652752 | Vacuum gauge | Kazuo Kosuge | 1987-03-24 |