Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076349 | Apparatus for gas/liquid separation | Joji Okamoto | 1991-12-31 |
| 4587020 | Chromatographic plate | Yuzo Nakagawa, Kouji Iwatani | 1986-05-06 |
| 4372850 | Reverse-phase thin layer chromatographic plate | Tamotsu Okumura | 1983-02-08 |
| 4267457 | Sample holding element for mass spectrometer | Yuzo Nakagawa, Kouji Iwatani | 1981-05-12 |