Inventor
KING CHI-HSIN RICHARD
US27 patents
⚠️ This page may combine multiple inventors who share the name “KING CHI-HSIN RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERRELL PHARMA INC
12 patentsUS5654433AAug 5, 1997
Process for piperidine derivatives
MERRELL PHARMA INC29 citations92
US5631375AMay 20, 1997
Process for piperidine derivatives
MERRELL PHARMA INC26 citations92
US5675009AOct 7, 1997
Process for piperidine derivatives
MERRELL PHARMA INC15 citations81
US5663353ASep 2, 1997
Process for piperidine derivatives
MERRELL PHARMA INC11 citations81
US5652370AJul 29, 1997
Process for piperidine derivatives
MERRELL PHARMA INC13 citations81
US5650516AJul 22, 1997
Process for piperidine derivatives
MERRELL PHARMA INC13 citations81
US5644061AJul 1, 1997
Process for piperidine derivatives
MERRELL PHARMA INC14 citations81
US5618940AApr 8, 1997
Process for piperidine derivatives
MERRELL PHARMA INC13 citations81
US5869475AFeb 9, 1999
Certain 3-ketosteroids used to inhibit steroid 5α-reductase
MERRELL PHARMA INC8 citations72
US5750744AMay 12, 1998
Process for the preparation of 4-amino- 4-3-ketosteroids via 4-nitro- 4-3-ketosteroids
MERRELL PHARMA INC2 citations61
US5990328ANov 23, 1999
Process for the preparation of 4-amino-Δ4-3-ketosteroids via 4-nitro-Δ4-3-ketosteroids
MERRELL PHARMA INC0 citations50
US5965550AOct 12, 1999
Process for the preparation of 4-amino-Δ4 -3-ketosteroids via 4-nitro-Δ4 -3-ketosteroids
MERRELL PHARMA INC0 citations50
TAIGEN BIOTECHNOLOGY CO LTD
5 patentsUS10004719B1Jun 26, 2018
Solid dispersion formulation
TAIGEN BIOTECHNOLOGY CO LTD12 citations83
US8372849B2Feb 12, 2013
Heterocyclic compounds
TAIGEN BIOTECHNOLOGY CO LTD5 citations70
US7589197B2Sep 15, 2009
Pyrimidine compounds
TAIGEN BIOTECHNOLOGY CO LTD7 citations70
US9375406B2Jun 28, 2016
Substituted pyrimidines for mobilizing cells expressing a type 4 CXC chemokine receptor
TAIGEN BIOTECHNOLOGY CO LTD1 citations50
US7504422B2Mar 17, 2009
Polyamine compounds
TAIGEN BIOTECHNOLOGY CO LTD0 citations38
YEN CHI-FENG
2 patentsAVENTIS PHARMA INC
2 patentsUS6716986B2Apr 6, 2004
Sulfuric acid mono-[3-({1-[2-(4-fluoro-phenyl)-ethyl]-piperidin-4-YL}-hydroxy-methyl)-2-methoxy-phenyl]ester
AVENTIS PHARMA INC3 citations58
US6465490B1Oct 15, 2002
Sulfuric acid mono-[3({1-[2-(4-fluoro-phenyl)-ethyl]-piperidin-4-yl}-hydroxy-methyl)-2-methoxy-phenyl]ester
AVENTIS PHARMA INC3 citations58