P

Inventor

YOSHIDA RYO

JP124 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA RYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO CHEMICAL CO

29 patents
US4427438AJan 24, 1984

N-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins

SUMITOMO CHEMICAL CO53 citations96
US4452981AJun 5, 1984

4-(2-Fluoro-4-halo-5-substituted phenyl)urazols, and their production and use

SUMITOMO CHEMICAL CO28 citations93
US4431822AFeb 14, 1984

Tetrahydrophthalimides, and their production and use

SUMITOMO CHEMICAL CO32 citations92
US4770695ASep 13, 1988

N-substituted phenyl tetrahydrophthalimide compounds, and their production and herbicidal use

SUMITOMO CHEMICAL CO11 citations82
US4670046AJun 2, 1987

Tetrahydrophthalimide compounds, as post-emergence herbicides for use in soybean fields

SUMITOMO CHEMICAL CO15 citations82
US4670043AJun 2, 1987

Herbicidal 2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles

SUMITOMO CHEMICAL CO15 citations82
US4484941ANov 27, 1984

Tetrahydrophthalimides, and their production and use as herbicides

SUMITOMO CHEMICAL CO14 citations82
US4129436ADec 12, 1978

N'-[4-(substituted phenethyloxy)phenyl]-N-methyl-N-methoxyurea

SUMITOMO CHEMICAL CO22 citations82
US4938795AJul 3, 1990

Tetrahydrophthalimide compounds, and their production and use

SUMITOMO CHEMICAL CO3 citations74
US4881970ANov 21, 1989

Tetrahydropthalimide compounds, and their production and use as herbicides

SUMITOMO CHEMICAL CO6 citations74
US4810271AMar 7, 1989

Carbamoyltriazoles, and their production and use

SUMITOMO CHEMICAL CO5 citations74
US4801408AJan 31, 1989

2-substituted phenyl-4,5,6,7-tetrahydro-2H-isoindole-1,3-diones, and their production and use

SUMITOMO CHEMICAL CO5 citations74
US4752325AJun 21, 1988

2-substituted phenyl-3-chlorotetrahydro-2H-indazoles composition containing them, and herbicidal method of using them

SUMITOMO CHEMICAL CO7 citations74
US4684397AAug 4, 1987

2-Substituted phenyl-4,5,6,7-tetrahydro-2H-iso-indole-1,3-diones, and their production and use

SUMITOMO CHEMICAL CO8 citations74
US4624699ANov 25, 1986

2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles, their production, and use as herbicides

SUMITOMO CHEMICAL CO8 citations74
US4608080AAug 26, 1986

Herbicidal 2-phenyl-4,5,6,7-tetrahydro-2H-indazoles

SUMITOMO CHEMICAL CO8 citations74
US4593094AJun 3, 1986

2-[[[4-halo-2-fluoro-5(alkyl or alkenyloxy)phenyl]amino]carbonyl or thiocarbonyl]-3,4,5,6-tetrahydro-1(2H)-pyridazinecarboxylic acid compounds and lower alkyl esters thereof

SUMITOMO CHEMICAL CO7 citations74
US4484940ANov 27, 1984

Tetrahydrophthalimides, and their production and use as herbicides

SUMITOMO CHEMICAL CO12 citations74
US4437877AMar 20, 1984

2-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins and use

SUMITOMO CHEMICAL CO14 citations74
US4309212AJan 5, 1982

Herbicidal compositions and methods employing urea derivatives

SUMITOMO CHEMICAL CO9 citations74
US4260411AApr 7, 1981

N'-phenyl-N-methylurea derivatives

SUMITOMO CHEMICAL CO12 citations74
US4249938AFeb 10, 1981

N-Phenyl-N-methyl-urea derivatives, and their production and use

SUMITOMO CHEMICAL CO9 citations74
US4123256AOct 31, 1978

N-(4-substituted benzyloxy)phenyl)-N-methyl-N-methoxyurea

SUMITOMO CHEMICAL CO12 citations74
US4437880AMar 20, 1984

N'-Phenyl-N-methylurea derivatives

SUMITOMO CHEMICAL CO10 citations73
US4374662AFeb 22, 1983

Diphenyl sulfone compounds, and their production and use

SUMITOMO CHEMICAL CO6 citations73
US4334912AJun 15, 1982

Urea derivatives, and their production and use

SUMITOMO CHEMICAL CO11 citations73
US5173103ADec 22, 1992

Herbicidal composition comprising2-[7-fluoro-3,4-dihydro-3-oxo-4-(2-pyropynyl)-2H-1,4-benzoxazin-6-yl]-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione and either glufosinate or bialaphos

SUMITOMO CHEMICAL CO8 citations72
US4349379ASep 14, 1982

Emulsifiable concentrate for weed control

SUMITOMO CHEMICAL CO6 citations72
US4144049AMar 13, 1979

N-(4-Benzyloxyphenyl)-N-methyl-N-methoxyurea

SUMITOMO CHEMICAL CO8 citations71

MITSUBISHI ELECTRIC CORP

6 patents

KUMIAI CHEMICAL INDUSTRY CO

3 patents

DAIHATSU MOTOR CO LTD

2 patents

NIPPON LIGHT METAL CO

2 patents

INTERNAT BUSSINESS MACHINES CO

1 patent

ALPINE ELECTRONICS INC

1 patent

(unassigned)

1 patent

HITACHI LTD

1 patent

YOSHIDA RYO

1 patent

NISHIYAMA NOBUMASA

1 patent

KUMIAI CHEMICAL CO

1 patent

SONY CORP

1 patent

Showing the top 50 of 124 patents by PatentIndex Score.