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KOYA KEIZO

Overview
  • Total Patents
    11
About

KOYA KEIZO has a total of 11 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, organic fine chemistry and consumer goods are CELLIX BIO PRIVATE LTD, SMITHKLINE BEECHAMP P L C and KANDULA MAHESH.

Patent filings in countries

World map showing KOYA KEIZOs patent filings in countries

Patent filings per year

Chart showing KOYA KEIZOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koya Keizo 11
#2 Sun Lijun 8
#3 Ono Mitsunori 4
#4 Chen Shoujun 3
#5 Przewloka Teresa 2
#6 Xia Zhi-Qiang 2
#7 Ying Weiwen 2
#8 Tatsuta Noriaki 2
#9 Vaghefi Farid 1
#10 Inoue Takayo 1

Latest patents

Publication Filing date Title
US2009023736A1 Compounds for treating proliferative disorders
WO2005099824A1 1-glyoxylamide indolizines for treating lung and ovarian cancer