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ZHANG YIHUA

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    170,488
About

ZHANG YIHUA has a total of 12 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States and China. Its main competitors in its focus markets basic materials chemistry, chemical engineering and computer technology are OXFORD CATALYSTS LTD, JOTHIMURUGESAN KANDASWAMY and KATALCO CORP.

Patent filings in countries

World map showing ZHANG YIHUAs patent filings in countries
# Country Total Patents
#1 United States 10
#2 China 2

Patent filings per year

Chart showing ZHANG YIHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Yihua 12
#2 Maesen Theodorus Ludovicus Michael 5
#3 Maeson Theodorus Ludovicus Michael 4
#4 Rea Thomas Michael 2
#5 Hao Yalin 2
#6 Bushee Don Ramon 1
#7 Rainis Andrew 1
#8 Shen Jun 1
#9 Hou Peihai 1
#10 Le Bao Quoc 1

Latest patents

Publication Filing date Title
US2017043328A1 Middle distillate hydrocracking catalyst containing zeolite beta with low OD acidity and large domain size
US2017043329A1 Middle distillate hydrocracking catalyst containing zeolite USY, and zeolite beta with low acidity and large domain size
US2016296922A1 Middle distillate hydrocracking catalyst containing zeolite USY with enhanced acid sites
US2016121312A1 Middle distillate hydrocracking catalyst containing highly nanoporous stabilized y zeolite
US2016121313A1 Middle distillate hydrocracking catalyst containing highly a stabilized y zeolite with enhanced acid site distribution
US2015306583A1 Middle distillate hydrocracking catalyst with a base extrudate having a high nanopore volume
US2015306581A1 Middle distillate hydrocracking catalyst with a base extrudate having a high total nanopore volume
US2015306584A1 Middle distillate hydrocracking catalyst manufactured using a high nanopore volume amorphous silica-alumina support
US2015306582A1 Middle distillate hydrocracking catalyst with a base extrudate having a low particle density
CN102831263A Method for finite element optimization design of bolt pretightening force and bolt structural
CN1205268A Secondary shaping tech. of hollow plastic article