HT

Hisashi Takao

OK Otsuka Kagaku Kabushiki Kaisya: 8 patents #9 of 183Top 5%
OK Otsuka Kagaku Yakuhin Kabushiki Kaisha: 4 patents #7 of 56Top 15%
OC Otsuka Chemical Co.: 1 patents #131 of 269Top 50%
📍 Tokushima, JP: #123 of 1,059 inventorsTop 15%
Overall (All Time): #390,797 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
5527798 Pyridazinone derivatives, and insecticidal and miticidal composition Isao Tada 1996-06-18
5298500 Pesticidal O,S-dialkyl-O-[4-(1-alkoxy-2,2,2-trifluoroethyl)phenyl]phosphoro(di) thioate derivatives 1994-03-29
4920142 Fungicidal imidazole derivatives Tetsuya Imai 1990-04-24
4840957 Pyran derivatives Norio Osaki, Norio Yasudomi 1989-06-20
4746673 Fungicidal imidazol-1-yl-carboxylic acid ester derivatives Tetsuya Imai 1988-05-24
4742078 Pyran derivatives Norio Osaki, Norio Yasudomi 1988-05-03
4736053 Phosphoric ester derivatives and insecticidal and miticidal compositions containing said derivatives 1988-04-05
4608367 .gamma.-Pyrone phosphoric ester derivatives and insecticidal and miticidal compositions thereof Yoshinori Endo 1986-08-26
4540708 Sulfenyl carbamate derivatives and insecticidal compositions containing the same 1985-09-10
4532339 Process for purifying aminosulfenylcarbamate derivatives 1985-07-30
4444786 Carbamate derivatives, insecticidal, miticidal or nematocidal compositions containing the same, and process for preparing the same Takeshi Goto, Norio Yasudomi, Norio Osaki, Tadateru Murata 1984-04-24
4413005 Carbamate derivatives and insecticidal, miticidal or nematocidal compositions containing the same Takeshi Goto, Takashi Soeda, Nobuyoshi Asai, Sadahiko Iida, Mitsuyasu Kawata +4 more 1983-11-01
4334066 Heterocyclic containing 5-oxo pyrans Yasuo Shimizu, Shoji Asano, Shuya Shimada, Kazutoshi Kikkawa 1982-06-08