Inventor · disambiguated record
Takasi Ikai
Also filed as: IKAI TAKASI
12 granted patents·229 citations·filing 1980–1994
92Inventor score
Files withNISSAN CHEMICAL IND LTD12
Top patents by PatentIndex Score
12 records- 0194US4643757AHerbicidal 4-benzoyl-1-methyl-5-hydroxypyrazolesNISSAN CHEMICAL IND LTD·Filed 1985·Granted Feb 17, 1987·58 cites·12 claims
- 0291US4668277APyrazolesulfonylurea useful for controlling the growth of undesired vegetationNISSAN CHEMICAL IND LTD·Filed 1985·Granted May 26, 1987·28 cites·15 claims
- 0391US4629493AHeterocyclic ether type phenoxy fatty acid derivatives and herbicidal compositionNISSAN CHEMICAL IND LTD·Filed 1980·Granted Dec 16, 1986·44 cites·17 claims
- 0485US4954164APyrazolesulfonylurea derivatives, preparation thereof, herbicide containing said derivative as active ingredient and herbicidal method by use thereofNISSAN CHEMICAL IND LTD·Filed 1983·Granted Sep 4, 1990·17 cites·5 claims
- 0585US4696694APyridine derivatives and their herbicidal compositionsNISSAN CHEMICAL IND LTD·Filed 1986·Granted Sep 29, 1987·19 cites·9 claims
- 0679US5364831AQuinoxaline derivatives and herbicidal compositionNISSAN CHEMICAL IND LTD·Filed 1980·Granted Nov 15, 1994·13 cites·20 claims
- 0779US4744815A4-benzoyl-1-alkyl (alkenyl) - pyrazoles, composition containing them, herbicidal method of using them, and intermediate in their preparationNISSAN CHEMICAL IND LTD·Filed 1986·Granted May 17, 1988·21 cites·12 claims
- 0875US4824474AQuinoline derivatives and herbicidal compositions and method of use thereofNISSAN CHEMICAL IND LTD·Filed 1987·Granted Apr 25, 1989·10 cites·7 claims
- 0966US6197728B1Quinoxaline derivatives and herbicidal compositionNISSAN CHEMICAL IND LTD·Filed 1994·Granted Mar 6, 2001·14 cites·7 claims
- 1049US4689417APyrazolesulfonylurea amides and chloridesNISSAN CHEMICAL IND LTD·Filed 1986·Granted Aug 25, 1987·2 cites·9 claims
- 1142US4844728APyrazolesulfonamide derivative, and herbicide containing itNISSAN CHEMICAL IND LTD·Filed 1986·Granted Jul 4, 1989·3 cites·34 claims
- 1232US4508561A1-Phenylethyl sulfone derivatives of 2-pyridyl-N-oxides and herbicidal compositions containing sameNISSAN CHEMICAL IND LTD·Filed 1983·Granted Apr 2, 1985·0 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →