Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684210 | Method of purifying fluoromethyl-1,1,1,3,3,3, hexafluoroisopropyl ether | Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe | 1997-11-04 |
| 5684211 | Method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether | Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe | 1997-11-04 |
| 5390667 | Absorption of carbon dioxide gas contained in exhalation of inhalation anesthetic subject | Toshikazu Kawai | 1995-02-21 |