Inventor

NUMAZAWA RYOZO

JP12 patents

Patents

12 patents

US5149649ASep 22, 1992

Multi-layered porous hollow fiber membrane for use in cell culture

MITSUBISHI RAYON CO70 citations95

US4181604AJan 1, 1980

Process and apparatus for waste water treatment

MITSUBISHI RAYON CO98 citations95

US4746435AMay 24, 1988

Biochemical process for purifying contaminated water

MITSUBISHI RAYON CO99 citations94

US5149855ASep 22, 1992

Process for racemizing optically active carboxylic acid esters

MITSUBISHI RAYON CO11 citations73

US4885244ADec 5, 1989

Method of producing hyaluronic acid

MITSUBISHI RAYON CO12 citations72

US4629701ADec 16, 1986

Process for preparing optically active carboxylic acids and antipode esters thereof

MITSUBISHI RAYON CO13 citations70

US5482847AJan 9, 1996

Esterase genes, esterase, recombinant plasmids and transformants containing the recombinant plasmid and methods of producing optically active carboxylic acids and their enantiomeric esters using said trasnformants

MITSUBISHI RAYON CO1 citations61

US5308765AMay 3, 1994

Esterase genes, esterase, recombinant plasmids and transformants containing the recombinant plasmid and methods of producing optically acitve carboxylic acids and their enantiomeric esters using said transformants

MITSUBISHI RAYON CO2 citations61

US5079153AJan 7, 1992

Process for the preparation of organic esters of ascorbic acid or erythorbic acid using ester hydralases in organic solvents containing 100-10,000 ppm of water

MITSUBISHI RAYON CO4 citations61

US5473081ADec 5, 1995

Process for the preparation of l-proline derivatives

MITSUBISHI RAYON CO2 citations60

US5476791ADec 19, 1995

Process for producing optically active carboxylic acid amide

MITSUBISHI RAYON CO2 citations59

US5071753ADec 10, 1991

Process for the enzymatic preparation of organic esters of ascorbic acid or erythorbic acid

MITSUBISHI RAYON CO1 citations51