Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756869 | Method of preparing hydrofluorocarbon | Satoshi Yoshikawa, Naoto Takada | 1998-05-26 |
| 4996379 | Method of preparing 1,1,1,2-tetrafluoroethane from 1,1-dichloro-1,2,2,2-tetrafluoroethane | Sadaharu Mishumi, Kiyoshi Yagii, Satoshi Yoshikawa, Katsuyoshi Murata | 1991-02-26 |
| 4968852 | Trifluoromethylbenzoyl bromide and conversion of same to bromobenzotrifluoride | Toshikazu Kawai | 1990-11-06 |
| 4876404 | Preparation of dichlorotrifluoromethyltoluenes including novel isomers | Takeshi Kondo, Toshikazu Kawai | 1989-10-24 |
| 4647695 | Method of preparing trifluoroacetic acid from trichlorotrifluoroethane | Takeshi Kondo, Masamichi Maruta | 1987-03-03 |