Inventor
NISHIKAWA OSAMU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NISHIKAWA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIJIN LTD
4 patentsUS4456553AJun 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
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