Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546191 | Trifluoromethyl-2-pyridinone or pyridinthione compounds and process for the preparation of the same | Ryuzo Nishiyama, Kanichi Fujikawa, Isao Yokomichi, Takahiro Haga, Kouji Hayashi | 1985-10-08 |
| 4420618 | Process for producing 5-chloro-.beta.-trifluoromethylpyridines | Isao Yokomichi, Takahiro Haga, Rikuo Nasu, Toshio Nakajima | 1983-12-13 |
| 4349681 | 2-Amino-3-chloro-5-trifluoromethylpyridine | Isao Yokomichi, Takahiro Haga, Toshio Nakajima | 1982-09-14 |
| 4347390 | Process for producing 1-bromo-3,5-dichlorobenzene | Ryuzo Nishiyama, Kanichi Fujikawa, Isao Yokomichi, Yasuhiro Tsujii, Itaru Shigehara +1 more | 1982-08-31 |
| 4331670 | Pyridylanilines | Ryuzo Nishiyama, Kanichi Fujikawa, Takahiro Haga, Tadaaki Toki, Osamu Imai | 1982-05-25 |
| 4321388 | N-benzoyl N'-pyridyloxy phenyl urea | Ryuzo Nishiyama, Hiroyuki Mori, Yasuo Ogawa, Takahiro Haga | 1982-03-23 |
| 4184041 | 2-Substituted-5-trifluoromethylpyridine compounds | Ryuzo Nishiyama, Kanichi Fujikawa, Takahiro Haga | 1980-01-15 |