Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814713 | Method for emulsion polymerization of tetrafluoroethylene and method for prevention of irregular polymerization thereof | Shigeru Ichiba, Tomizo Sota | 1998-09-29 |
| 5652147 | Method of measuring concentration of polymerization inhibitor contained in fluorine-containing olefinic monomer and method of polymerizing fluorine-containing olefinic monomer comprising the measurement method | Shigeru Ichiba, Tomizo Soda | 1997-07-29 |
| 5122356 | Process for purification of hydrochloric acid | Tomizo Sota | 1992-06-16 |