Inventor
ISHIMARU KENJI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “ISHIMARU KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO STAUFFER CHEM CO
8 patentsUS5545759AAug 13, 1996
Method of producing tris(pentafluorophenyl)borane using pentafluorophenyl alkali metal salt prepared from pentafluorobenzene
TOYO STAUFFER CHEM CO8 citations73
US5510536AApr 23, 1996
Production method of tris(pentafluorophenyl)borane using pentafluorophenylmagnesium derivatives prepared from pentafluorobenzene
TOYO STAUFFER CHEM CO11 citations73
US5493056AFeb 20, 1996
Method of producing tetrakis (pentafluorophenyl) borate derivatives using pentafluorophenyl alkali metal salt prepared from pentafluorobenzene
TOYO STAUFFER CHEM CO10 citations73
US5488169AJan 30, 1996
Method of producing tetrakis(pentafluorophenyl)borate derivatives using pentafluorophenylmagnesium derivatives
TOYO STAUFFER CHEM CO18 citations73
US5420355AMay 30, 1995
Method of producing a highly pure borate complex of triarylborane with alkylated or arylated alkali metal
TOYO STAUFFER CHEM CO10 citations73
US5399780AMar 21, 1995
Method of producing triarylborane
TOYO STAUFFER CHEM CO12 citations73
US5362423ANov 8, 1994
Method of producing pentafluorophenylmagnesium derivatives using pentafluorobenzene
TOYO STAUFFER CHEM CO17 citations73
US5387727AFeb 7, 1995
Method of producing pentafluorophenyl alkali metal salt using pentafluorobenzene in a chain ether type solvent
TOYO STAUFFER CHEM CO2 citations62
TEIJIN LTD
7 patentsUS4814278AMar 21, 1989
Culture apparatus and method
TEIJIN LTD29 citations90
US4456553AJun 26, 1984
Vitamin D3 derivatives, process for preparation thereof, and antigens comprising said derivatives to be used for preparation of antibodies for immunochemical assay and antibodies prepared therefrom
TEIJIN LTD24 citations81
US4388243AJun 14, 1983
Process for the preparation of active-type vitamin D3 compounds
TEIJIN LTD13 citations73
US4885057ADec 5, 1989
Method for treating synthetic pulp particles, and pulp particles composed of synthetic polymer
TEIJIN LTD3 citations62
US4298537ANov 3, 1981
Process for producing steroid compounds having an oxo group in the side chain
TEIJIN LTD3 citations62
US4292249ASep 29, 1981
25-Hydroxy-24-oxocholestane derivatives and preparation thereof
TEIJIN LTD6 citations62
US5250432AOct 5, 1993
Method of culturing animal cells
TEIJIN LTD3 citations60