Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485016 | Atmospheric pressure ionization mass spectrometer | Takashi Irie, Yasuhiro Mitsui, Kazuaki Mizokami | 1996-01-16 |
| 4996422 | Mass spectrometer | Yasuhiro Mitsui, Keiji Hasumi, Shinichiro Watase, Kazuo Nakano | 1991-02-26 |