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CHANG RONG-KUN

Overview
  • Total Patents
    12
About

CHANG RONG-KUN has a total of 12 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets pharmaceuticals and micro-structure and nano-technology are DEVIREX AG, SOLVON ARZNEI VERTRIEB LIZENZ and THERANEXUS.

Patent filings in countries

World map showing CHANG RONG-KUNs patent filings in countries

Patent filings per year

Chart showing CHANG RONG-KUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Rong-Kun 12
#2 Shah Niraj 6
#3 Raoufinia Arash 4
#4 Burnside Beth A 1
#5 Couch Richard A 1
#6 Huang Austin B 1
#7 Patel Sachin V 1
#8 Vieira Michael L 1
#9 Bhatt Padmanabh P 1
#10 Liang Likan 1

Latest patents

Publication Filing date Title
WO2006044805A2 Less abusable pharmaceutical preparations
WO2004096125A2 Pharmaceutical compositions releasing their active agents from a buccal or sublingual location to overcome an absorption window problem
WO2004069187A2 Drug formulation and delivery using crystalline methylated cyclodextrins
WO2004062577A2 Two or more enteric materials to regulate drug release
US8906413B2 Drug formulations having reduced abuse potential