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UNOZAWA GUMI IRON WORKS

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    225,693
About

UNOZAWA GUMI IRON WORKS has a total of 37 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets engines, pumps and turbines and environmental technology are NORDENFELT THORSTEN WILHELM, ATOM KAGAKU TORYO KK and PJATOV IVAN SOLOMONOVICH.

Patent filings in countries

World map showing UNOZAWA GUMI IRON WORKSs patent filings in countries
# Country Total Patents
#1 Japan 26
#2 EPO (European Patent Office) 5
#3 United States 5
#4 Canada 1

Patent filings per year

Chart showing UNOZAWA GUMI IRON WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Higuchi Tsutomu 13
#2 Kanbe Shigeharu 13
#3 Kambe Shigeharu 9
#4 Murao Yoshihisa 8
#5 Kondo Hideki 4
#6 Nakajima Mutsuo 4
#7 Higuchi Tutomu 4
#8 Funakawa Tomohiro 3
#9 Itou Jirou 1
#10 Unosawa Torao 1

Latest patents

Publication Filing date Title
JP2020037922A Multi-stage root type pump
JP2020037921A Multi-stage root type pump
JP2014004502A Method for designing slurry treatment plant and slurry treatment plant
JP2010264335A Plant for slurry treatment
JP2007229547A Dehydration dryer and dehydration drying process
JP2006255632A Method and apparatus for compressing slurry
JP2006223946A Filter press apparatus and slurry pressing method of slurry in the same
JP2006187717A Heating plate for filter press equipment having drying function
JP2005296775A Organic object matter treatment method
JP2005193169A Filter press apparatus and its operating method
JP2004223444A Slurry treatment plant and method for operating the same
JP2003021063A Gas pulsation restricting device
US6318959B1 Multi-stage rotary vacuum pump used for high temperature gas
JP2001027190A Rotary multi-stage vacuum pump
JP2001020884A Rotary type multistage vacuum pump having gas passage having outer wall formed by coolers
JP2000186685A Rotary multistage vacuum pump device dealing with high temperature gas
JP2000186686A Rotary multistage vacuum pump device dealing with high temperature gas
JPH11210654A Vacuum pump device provided with fine particle collecting function
JPH08100778A Displacement type counterflow cooling type multistage vacuum pump
JPH02294589A Reverse flow cooling type multistage root type vacuum pump accompanying gas dilution