Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117109 | Exchange method of mobile phase in high-performance liquid chromatography mass spectrometry and its apparatus | Naoki Asakawa, Hiroshi Ohe, Yutaka Yoshida, Tadashi Sato, Yoshiya Oda | 1992-05-26 |