Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8674298 | Quadrupole mass spectrometer | Toyoaki Nakajima, Yuujirou Kurokawa, Ryota Tanaka | 2014-03-18 |
| 8138473 | Mass spectrometry unit | Toyoaki Nakajima, Yujirou Kurokawa, Ryota Tanaka, Shuji Yoshida | 2012-03-20 |
| 8115166 | Method of controlling mass spectrometer and mass spectrometer | Toyoaki Nakajima, Yujirou Kurokawa, Ryota Tanaka, Jiro Endo, Hitomi Obise | 2012-02-14 |