Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308977 | Plasma mass spectrometer | Konosuke Oishi, Masataka Koga, Hiromi Yamashita, Takashi Iino, Toyoharu Okumoto | 1994-05-03 |
| 5164592 | Method and apparatus for mass spectrometric analysis | Takehiko Kitamori, Masataka Koga, Tetsuya Matsui, Kenji Yokose, Masaharu Sakagami | 1992-11-17 |
| 5122752 | Method of and apparatus for analyzing granular materials | Masataka Koga, Tetsuya Matsui, Kenji Yokose, Masaharu Sakagami, Takehiko Kitamori | 1992-06-16 |
| 4913624 | Low pulsation displacement pump | Kiwao Seki | 1990-04-03 |
| 4810168 | Low pulsation pump device | Taro Nogami, Kiwao Seki | 1989-03-07 |