Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D347396 | Mass spectrometer combined with liquid chromatograph | Mitsuru Ohnuma, Tomoyuki Miyata, Kazunori Hashimoto, Yoshiaki Kato | 1994-05-31 |
| 5298744 | Mass spectrometer | Yoshiaki Kato, Kazumi Matsumura | 1994-03-29 |