Inventor · disambiguated record
Ryuzo Nishiyama
Also filed as: AWAZU TAKAO · FUJIKAWA KANICHI · HAGA TAKAHIRO · NISHIYAMA RYUZO
34 granted patents·510 citations·filing 1974–1982
97Inventor score
Top patents by PatentIndex Score
34 records- 0197US4173637AN-Benzoyl-N'-pyridyloxy phenyl urea and insecticidal compositions thereofISHIHARA MINING & CHEMICAL CO·Filed 1978·Granted Nov 6, 1979·55 cites·32 claims
- 0296US4331670APyridylanilinesISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted May 25, 1982·55 cites·19 claims
- 0396US4173638AN-Benzoyl-N'-pyridyloxy phenyl urea and insecticidal compositions thereofISHIHARA MINING & CHEMICAL CO·Filed 1977·Granted Nov 6, 1979·50 cites·17 claims
- 0495US4288599AProcess for producing pyridine derivatives having a trifluoromethyl group at β-position thereofISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Sep 8, 1981·43 cites·17 claims
- 0594US4105435AHerbicidal compound, herbicidal composition containing the same, and method of use thereofISHIHARA MINING & CHEMICAL CO·Filed 1976·Granted Aug 8, 1978·25 cites·11 claims
- 0691US4241213AProcess for producing 2-chloro-5-trichloromethyl pyridineISHIHARA MINING & CHEMICAL CO·Filed 1979·Granted Dec 23, 1980·22 cites·6 claims
- 0791US4218237APyridine-2-thio, -2-sulfinyl, and -2-sulfonyl sulfonanilide compounds useful as a herbicidal componentISHIHARA MINING & CHEMICAL CO·Filed 1978·Granted Aug 19, 1980·22 cites·37 claims
- 0891US4184041A2-Substituted-5-trifluoromethylpyridine compoundsISHIHARA MINING & CHEMICAL CO·Filed 1978·Granted Jan 15, 1980·21 cites·3 claims
- 0989US4546191ATrifluoromethyl-2-pyridinone or pyridinthione compounds and process for the preparation of the sameISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Oct 8, 1985·21 cites·2 claims
- 1089US4230481APyrazole derivatives useful as a herbicidal componentISHIHARA SANGYO KAISHA·Filed 1978·Granted Oct 28, 1980·20 cites·12 claims
- 1188US4134751AHerbicidal compound, herbicidal composition containing the same and method of use thereofISHIHARA MINING & CHEMICAL CO·Filed 1977·Granted Jan 16, 1979·20 cites·15 claims
- 1288US4070177AHerbicidal phenoxy-phenoxy alkane carboxylic acid derivativesISHIHARA MINING & CHEMICAL CO·Filed 1976·Granted Jan 24, 1978·18 cites·9 claims
- 1387US4266064AProcess for producing chloro β-trifluoromethylpyridinesISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted May 5, 1981·19 cites·5 claims
- 1487US4235621A2-Substituted phenoxy-3-chloro-5-trifluoromethyl pyridine useful as a herbicideISHIHARA MINING & CHEMICAL CO·Filed 1979·Granted Nov 25, 1980·15 cites·20 claims
- 1585US4417055AProcess for producing a β-trifluoromethylpyridineISHIHARA MINING & CHEMICAL CO·Filed 1982·Granted Nov 22, 1983·17 cites·10 claims
- 1682US4310530AN-benzoyl N-pyridyloxy phenyl ureaISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Jan 12, 1982·14 cites·9 claims
- 1781US4216007A4-[4-(5-Trifluoromethyl-2-pyridyloxy)phenoxy]-2-pentenoic acid esters useful as a herbicideISHIHARA MINING & CHEMICAL CO·Filed 1979·Granted Aug 5, 1980·11 cites·13 claims
- 1875US4152328A2-phenoxy-5-trifluoromethylpyridine compounds and process for preparation thereofISHIHARA MINING & CHEMICAL CO·Filed 1978·Granted May 1, 1979·7 cites·8 claims
- 1973US4563529AProcess for producing trifluoromethylpyridinesISHIHARA MINING & CHEMICAL CO·Filed 1981·Granted Jan 7, 1986·8 cites·7 claims
- 2071US3989502AMethod for controlling growth of tobacco suckersSUMITOMO CHEMICAL CO·Filed 1974·Granted Nov 2, 1976·7 cites·7 claims
- 2170US4367336A2-Substituted-5-trifluoromethylpyridines and process for producing the sameISHIHARA MINING & CHEMICAL CO·Filed 1981·Granted Jan 4, 1983·6 cites·2 claims
- 2267US4267336AProcess for producing 4-(pyridyl-2-oxy)-phenoxyalkanecarboxylic acid or its derivativesISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted May 12, 1981·6 cites·4 claims
- 2367US4140520A3,5-Dichloropyridyl-2-oxy-phenoxy malonic acids and derivatives and herbicidal use thereofISHIHARA MINING & CHEMICAL CO·Filed 1977·Granted Feb 20, 1979·5 cites·6 claims
- 2464US4321388AN-benzoyl N'-pyridyloxy phenyl ureaISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Mar 23, 1982·5 cites·6 claims
- 2552US4230642AProcess for producing 3,5-dichloro-α-methylstyreneISHIHARA SANGYO KAISHA·Filed 1979·Granted Oct 28, 1980·3 cites·3 claims
- 2650US4344951AN-Benzoyl N'-pyridyloxy phenyl ureaISHIHARA MINING & CHEMICAL CO·Filed 1981·Granted Aug 17, 1982·2 cites·3 claims
- 2749US4266963APyrazole derivatives, herbicidal compositions containing the same, and a process for the preparation of the sameISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted May 12, 1981·2 cites·16 claims
- 2848US4347390AProcess for producing 1-bromo-3,5-dichlorobenzeneISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Aug 31, 1982·3 cites·8 claims
- 2945US4231787AHerbicidal compound, herbicidal composition containing the same, and method of use thereofISHIHARA MINING & CHEMICAL CO·Filed 1978·Granted Nov 4, 1980·1 cites·1 claims
- 3042US4380670AProcess for producing 1,3,5-triaminobenzeneISHIHARA MINING & CHEMICAL CO·Filed 1981·Granted Apr 19, 1983·6 cites·7 claims
- 3137US4406841AProcess for producing 2,6-difluorobenzonitrileISHIHARA MINING & CHEMICAL CO·Filed 1982·Granted Sep 27, 1983·1 cites·11 claims
- 3234US4203758AHerbicidal phenoxy-phenoxyalkane thio estersISHIHARA MINING & CHEMICAL CO·Filed 1977·Granted May 20, 1980·0 cites·9 claims
- 3332US4138436AProcess for producing 3,5-dichloroaniline from 1-bromo-2,4-dichlorobenzeneISHIHARA MINING & CHEMICAL CO·Filed 1977·Granted Feb 6, 1979·0 cites·3 claims
- 3431US4368340AProcess for producing 1,3,5-trichlorobenzeneISHIHARA MINING & CHEMICAL CO·Filed 1980·Granted Jan 11, 1983·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →