RN

Ryuzo Nishiyama

IK Ishihara Sangyo Kaisha: 25 patents #3 of 403Top 1%
Overall (All Time): #166,102 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
4563529 Process for producing trifluoromethylpyridines Kanichi Fujikawa, Isao Yokomichi, Yasuhiro Tsujii, Shigeyuki Nishimura 1986-01-07
4546191 Trifluoromethyl-2-pyridinone or pyridinthione compounds and process for the preparation of the same Kanichi Fujikawa, Isao Yokomichi, Takahiro Haga, Kuniaki Nagatani, Kouji Hayashi 1985-10-08
4417055 Process for producing a .beta.-trifluoromethylpyridine Kanichi Fujikawa, Isao Yokomichi, Yasuhiro Tsujii, Shigeyuki Nishimura 1983-11-22
4406841 Process for producing 2,6-difluorobenzonitrile Kanichi Fujikawa, Yasuhiro Tsujii, Shigeo Murai, Hisayoshi Jyonishi 1983-09-27
4380670 Process for producing 1,3,5-triaminobenzene Kanichi Fujikawa, Isao Yokomichi, Itaru Shigehara, Mikio Miyaji 1983-04-19
4368340 Process for producing 1,3,5-trichlorobenzene Kanichi Fujikawa, Isao Yokomichi, Itaru Shigehara, Mikio Miyaji 1983-01-11
4367336 2-Substituted-5-trifluoromethylpyridines and process for producing the same Kanichi Fujikawa, Isao Yokomichi, Takahiro Haga, Toru Koyanagi 1983-01-04
4347390 Process for producing 1-bromo-3,5-dichlorobenzene Kanichi Fujikawa, Isao Yokomichi, Yasuhiro Tsujii, Itaru Shigehara, Kuniaki Nagatani +1 more 1982-08-31
4344951 N-Benzoyl N'-pyridyloxy phenyl urea Takahiro Haga, Tadaaki Toki, Tohru Koyanagi, Shigeo Murai 1982-08-17
4331670 Pyridylanilines Kanichi Fujikawa, Takahiro Haga, Tadaaki Toki, Kuniaki Nagatani, Osamu Imai 1982-05-25
4321388 N-benzoyl N'-pyridyloxy phenyl urea Hiroyuki Mori, Yasuo Ogawa, Takahiro Haga, Kuniaki Nagatani 1982-03-23
4310530 N-benzoyl N-pyridyloxy phenyl urea Takahiro Haga, Tadaaki Toki, Tohru Koyanagi, Shigeo Murai 1982-01-12
4288599 Process for producing pyridine derivatives having a trifluoromethyl group at .beta.-position thereof Kanichi Fujikawa, Isao Yokomichi, Yasuhiro Tsujii, Shigeyuki Nishimura 1981-09-08
4266963 Pyrazole derivatives, herbicidal compositions containing the same, and a process for the preparation of the same Fumio Kimura, Takahiro Haga, Nobuyuki Sakashita, Tetsuji Nishikawa 1981-05-12
4267336 Process for producing 4-(pyridyl-2-oxy)-phenoxyalkanecarboxylic acid or its derivatives Kanichi Fujikawa, Rikuo Nasu, Itaru Shigehara 1981-05-12
4266064 Process for producing chloro .beta.-trifluoromethylpyridines Kanichi Fujikawa, Isao Yokomichi, Yasuhiro Tsujii, Shigeyuki Nishimura 1981-05-05
4241213 Process for producing 2-chloro-5-trichloromethyl pyridine Kanichi Fujikawa, Isao Yokomichi, Rikuo Nasu, Takao Awazu, Junichi Kawashima 1980-12-23
4235621 2-Substituted phenoxy-3-chloro-5-trifluoromethyl pyridine useful as a herbicide Kanichi Fujikawa, Takahiro Haga, Tadaaki Toki, Terumasa Komyoji, Nobuyuki Sakashita +1 more 1980-11-25
4231787 Herbicidal compound, herbicidal composition containing the same, and method of use thereof Ryohei Takahashi, Kanichi Fujikawa, Rikuo Nasu, Nobuyuki Sakashita 1980-11-04
4230481 Pyrazole derivatives useful as a herbicidal component Fumio Kimura, Takahiro Haga, Nobuyuki Sakashita, Tetsuji Nishikawa 1980-10-28
4230642 Process for producing 3,5-dichloro-.alpha.-methylstyrene Kanichi Fujikawa, Yasuhiro Tsujii, Itaru Shigehara 1980-10-28
4218237 Pyridine-2-thio, -2-sulfinyl, and -2-sulfonyl sulfonanilide compounds useful as a herbicidal component Kanichi Fujikawa, Fumio Kimura, Rikuo Nasu, Nobuyuki Sakashita, Shigeyuki Nishimura 1980-08-19
4216007 4-[4-(5-Trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoic acid esters useful as a herbicide Takahiro Haga, Nobuyuki Sakashita 1980-08-05
4203758 Herbicidal phenoxy-phenoxyalkane thio esters Ryohei Takahashi, Kanichi Fujikawa, Isao Yokomichi, Itaru Shigehara, Nobuyuki Sakashita 1980-05-20
4184041 2-Substituted-5-trifluoromethylpyridine compounds Kanichi Fujikawa, Takahiro Haga, Kuniaki Nagatani 1980-01-15