Patent assignee · JP · COMPANY

Nihon Tokushu Noyaku Seizo K.K.

112Patents
0Active
112Granted
36Portfolio score

Filing activity: Jul 19, 1977 → Oct 3, 1991

Most-cited patents

PatentTitleAreaCited byStatus
US4742060A Heterocyclic compounds Chemistry; Metallurgy 116 Expired
US4849432A Heterocyclic compounds Chemistry; Metallurgy 99 Expired
US4803277A Novel heterocyclic compounds Chemistry; Metallurgy 62 Expired
US4806553A Pyridyl alkylenediamine compounds insecticidal Chemistry; Metallurgy 53 Expired
US5007952A Herbicidal novel benzothiazolonyl pyrroles Chemistry; Metallurgy 52 Expired
US4914113A Insecticidal imidazolines Chemistry; Metallurgy 50 Expired
US4845106A Heterocyclic thiazole compounds Chemistry; Metallurgy 50 Expired
US4647570A Pesticidal novel nitromethylene derivatives Human Necessities 45 Expired
US4678795A 1-pyridylmethyl-2-nitromethylene-1,3-diazacycloalkane insecticides Chemistry; Metallurgy 45 Expired
US5034524A Insecticidal heterocyclic compounds Chemistry; Metallurgy 40 Expired
US4988712A Insecticidal azolylmethyl-1,2-dihydropyridines Chemistry; Metallurgy 38 Expired
US5001138A Novel heterocyclic compounds Chemistry; Metallurgy 34 Expired
US4680294A Pesticidal novel nitromethylene derivatives Human Necessities 34 Expired
US4882344A Pyridylmethyl-4-thiazolines Chemistry; Metallurgy 33 Expired
US4127673A Combating fungi with new N-4-halobenzyl-N-cycloalkyl-N'-phenylureas and thioureas Chemistry; Metallurgy 32 Expired
US4590272A Pesticidal 1-(substituted benzyl)-2-nitromethylene-tetrahydropyrimidines Human Necessities 30 Expired
US5032589A Insecticidal heterocyclic compounds Chemistry; Metallurgy 28 Expired
US4772620A Nitromethylene derivatives and their use as insecticides Chemistry; Metallurgy 28 Expired
US4812571A N-(substituted pyridyl-alkyl) alkylenediamine intermediates for insecticides Chemistry; Metallurgy 26 Expired
US4774247A Nitromethylene derivative insecticides Chemistry; Metallurgy 25 Expired
US5051434A Insecticidally active nitro guanidine compounds Electricity 25 Expired
US4880933A Nitro- or cyano-derivatives of 2-imino-imidazolines and 2-imino-tetrahydropyrimidines Chemistry; Metallurgy 22 Expired
US4731385A Insecticidal and fungicidal composition for agricultural and horticultural use Human Necessities 22 Expired
US4902335A Benzo-fused cyclic compounds Chemistry; Metallurgy 22 Expired
US4812454A Nitromethylene derivatives and their use as insecticides Chemistry; Metallurgy 19 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.