Learn more

NAGAOKA TADAYOSHI

Overview
  • Total Patents
    95
About

NAGAOKA TADAYOSHI has a total of 95 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan, Canada and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and thermal processes are PWN TECHNOLOGIES B V, GLEGG WATER CONDITIONING INC and FEDERAL NOE G AVTONOMNOE OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA KZ PRI.

Patent filings per year

Chart showing NAGAOKA TADAYOSHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nagaoka Tadayoshi 89
#2 Leal Arthur 4
#3 Weismantel Guy Edward 4
#4 Tadayoshi Nagaoka 4
#5 Manteufel Rolf P C 3
#6 Kawaji Yushi 2
#7 Nakamura Takuzo 1
#8 Mantoyfer Rolf P C 1
#9 Weithmantel Gayedward 1
#10 Rolf P C Manteufel 1

Latest patents

Publication Filing date Title
WO2015040704A1 Gas-liquid contact device
JP2013244484A Regular packing type gas-liquid contact system changeable between vertical structure and wavy structure in apparatus
JP2013192986A Scraper containing regular filler type gas-liquid contact mechanism
JP2011183260A Gas-liquid contact mechanism in apparatus for performing mass transfer or the like
JP2011183259A Gas-liquid contact mechanism in apparatus for performing mass transfer or the like
JP2010082617A Gas-liquid contacting mechanism in apparatus for performing mass transfer or the like
JP2008168251A Gas-liquid contact mechanism having function of renewing continuous liquid film
JP2008119635A Liquid distributor of gas-liquid contact apparatus for performing mass transfer and the like
WO2005028099A1 Reactor with packing mean
JP2004324085A Joint structure of shunt tube screen and connection method for shunt tube screen
JP2004332119A Method for producing three-dimensional woven fabric
JP2004275871A Water treatment apparatus and water treatment method
JP2004066217A Water treatment apparatus and water treatment method
JP2004136268A Apparatus for removing manganese in water
JP2004044927A Gas-liquid contacting mechanism in device to perform substance movement etc.
JP2003342977A Spreadable screen for horizontal well and for inclined well and its execution method
JP2003314183A Screen cylinder of multi-welding structure for horizontal well or directional well
JP2003314184A Cylindrical screen for well, having longitudinal skid rods
AU2002225457A1 Photooxidation water treatment device
JP2003154370A Method for water treatment/sludge treatment without using chemical