Inventor
HAMADA KAZUHIKO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
11 patentsUS4424390AJan 3, 1984
Process for producing 5-halomethylfurfural
SUMITOMO CHEMICAL CO31 citations92
US4154744AMay 15, 1979
Process for producing a furan derivative
SUMITOMO CHEMICAL CO39 citations92
US4335049AJun 15, 1982
Process for producing 5-methylfurfural
SUMITOMO CHEMICAL CO30 citations89
US4760149AJul 26, 1988
Asymmetrically modified boron hydride type compound, a production method thereof, and a method for producing an optically active alcohol derivative by the use thereof
SUMITOMO CHEMICAL CO10 citations73
US4749809AJun 7, 1988
Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof
SUMITOMO CHEMICAL CO8 citations73
US4429163AJan 31, 1984
Preparation of p-hydroxybenzaldehyde derivatives
SUMITOMO CHEMICAL CO7 citations70
US4542235ASep 17, 1985
Method for producing an optically active 2,2-dimethylcyclopropanecarboxylic acid
SUMITOMO CHEMICAL CO4 citations63
US4923999AMay 8, 1990
Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof
SUMITOMO CHEMICAL CO3 citations62
US4584410AApr 22, 1986
Process for the preparation of hydroxybenzaldehydes
SUMITOMO CHEMICAL CO3 citations62
US5041651AAug 20, 1991
Asymmetrically modified boron hydride type compound and a method for producing an optically active alcohol derivative by the use thereof
SUMITOMO CHEMICAL CO1 citations52
US4469894ASep 4, 1984
Process for preparation of hydroxybenzaldehydes
SUMITOMO CHEMICAL CO0 citations52