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KOIZUMI ATSUSHI

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    241,447
About

KOIZUMI ATSUSHI has a total of 28 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan and United States. Its main competitors in its focus markets surface technology and coating, environmental technology and machines are OSAKA TOSHIHARU, COX NEWBURY LTD and RUXINGTON CORP NV.

Patent filings in countries

World map showing KOIZUMI ATSUSHIs patent filings in countries
# Country Total Patents
#1 Japan 27
#2 United States 1

Patent filings per year

Chart showing KOIZUMI ATSUSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koizumi Atsushi 28
#2 Toida Hiroshi 10
#3 Oguchi Katsuto 6
#4 Oishi Takashi 5
#5 Muramoto Toshiyuki 5
#6 Yahagi Shuichi 5
#7 Ichino Michiaki 4
#8 Hirao Shoji 4
#9 Shimizu Yukinori 4
#10 Inose Jiro 3

Latest patents

Publication Filing date Title
JP2018027069A Gas injection-type automatic liquid exchange device and reactor having the same
JP2008138479A Shape holding device for segment
JP2008138480A Shape holding device for segment
JP2007132039A Shield machine and shield method using it
JP2006057452A Shape retainer of segment
JP2005247422A Tank for fast liquid-refilling
JP2005068805A Tunnel segment
JP2005068804A Tunnel segment
JP2005068803A Tunnel segment
JP2004150151A Calculation method for trans-reception load in underpinning and leveling method for existing structure
JP2004107971A Method for predicting displacement behavior of structure in underpinning
JP2003342949A Construction method of underground wall
JP2003083000A Shape retainer of segment
JP2001032688A Shield segment
JP2000064771A Starting and arrival shaft for shield machine
JP2000054799A Expansible simple liner
JPH11324583A Diameter expansion type simple liner
JPH11247599A Shield segment
JPH11159293A Composite segment
JPH11131994A Lining material