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TOHO DEV ENG

Overview
  • Total Patents
    19
About

TOHO DEV ENG has a total of 19 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology, thermal processes and materials and metallurgy are HERTWICH ENGINEERING GMBH, BURLOV JURIJ ALEKSANDROVICH and ALTEK L L C.

Patent filings in countries

World map showing TOHO DEV ENGs patent filings in countries
# Country Total Patents
#1 Japan 17
#2 United States 2

Patent filings per year

Chart showing TOHO DEV ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kida Takashi 7
#2 Aizaki Takeru 4
#3 Kobari Itaru 4
#4 Kobari Osamu 2
#5 Arai Kiyoshi 2
#6 Terawaki Kouichi 2
#7 Umagami Yoshitarou 2
#8 Oooka Hiroshi 1
#9 Sugimori Chiemi 1
#10 Yuasa Ichirou 1

Latest patents

Publication Filing date Title
JP2012050972A Sludge treatment apparatus and method
JP2011131129A Method and system for treating highly alkaline slurry
JP2007283270A Sludge dewatering filter cloth belt, and sludge dewatering device using it
JP2005221914A Glasses band
JP2002178195A Filter-cloth belt type dewaterer
JP2001170419A Filter cloth belt-type dehydration equipment
JP2000070900A Treatment of powdery dust containing heavy metal and treatment equipment therefor
JPH11170092A Tube press
JPH02166388A Raw material charging bucket soft landing device
JPH02165864A Molten metal distributing truck
JPS63282484A Non-ferrous metal melting furnace
JPS6357731A Treatment of aluminum swarf or the like
US4681535A Preheating mechanism for source metal for melt
JPS6089555A Vibrator for removing dripping molten metal during hot dipping
JPS6082650A Hot dipping apparatus
JPS606302A Plastic case mark cutting-out device
JPS59200185A Nonferrous metal melting furnace
JPS5963486A Preheater for raw material for metal smelter