Inventor · disambiguated record
Hiroshi Ohyama
Also filed as: OHYAMA HIROSHI
9 granted patents·106 citations·filing 1978–1990
88Inventor score
Top patents by PatentIndex Score
9 records- 0188US4447259A2-(Substituted phenoxy)propionic acid derivatives and their uses for herbicidal purposesHOKKO CHEM IND CO·Filed 1982·Granted May 8, 1984·26 cites·14 claims
- 0283US4752326A1-arylpyrazoles, composition containing them, and herbicidal method of using themHOKKO CHEM IND CO·Filed 1986·Granted Jun 21, 1988·30 cites·15 claims
- 0383US4420486ABenzoxazolone derivatives, processes for preparation thereof and compositions containing themHOKKO CHEM IND CO·Filed 1981·Granted Dec 13, 1983·18 cites·9 claims
- 0479US4512989A1,2,4-Triazole derivatives and fungicidal composition containing the sameHOKKO CHEM IND CO·Filed 1982·Granted Apr 23, 1985·13 cites·12 claims
- 0553US5116838AGuanidine derivatives and fungicides for agriculture and horticulture containing the sameHOKKO CHEM IND CO·Filed 1990·Granted May 26, 1992·8 cites·2 claims
- 0652US4391804AImidazole derivatives and fungicidal composition containing the sameHOKKO CHEMICAL INDUSTRY COMPAN·Filed 1982·Granted Jul 5, 1983·4 cites·9 claims
- 0751US4405743APyrazolylpyrimidine derivativesHOKKO CHEM IND CO·Filed 1981·Granted Sep 20, 1983·3 cites·2 claims
- 0848US4822814ANew 1,3-dithiol-2-ylidene-alkylsulfonylacetates and their usesHOKKO CHEM IND CO·Filed 1987·Granted Apr 18, 1989·4 cites·6 claims
- 0928US4255183ASubstituted phenyl urea and herbicides for use in paddy fieldHOKKO CHEM IND CO·Filed 1978·Granted Mar 10, 1981·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →