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RYOMEI ENG CORP LTD

Overview
  • Total Patents
    28
About

RYOMEI ENG CORP LTD has a total of 28 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and measurement are MO NI PROEKTNO IZYSKATELSKIJ I, MATSUO YUKIE and VNII VODOSNABZHENIYA.

Patent filings in countries

World map showing RYOMEI ENG CORP LTDs patent filings in countries
# Country Total Patents
#1 Japan 28

Patent filings per year

Chart showing RYOMEI ENG CORP LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tsukamoto Eihiko 12
#2 Ishimura Kazuhiko 7
#3 Sueda Minoru 7
#4 Fujiwara Kunihisa 7
#5 Kageyama Yuuzou 6
#6 Yamazaki Tsunehiro 6
#7 Yamada Tomohiro 4
#8 Ichikizaki Tetsuo 4
#9 Nomura Seiji 4
#10 Harada Masahiro 3

Latest patents

Publication Filing date Title
JP2006112716A Closed space ventilation system
JP2006034848A Small-scale underwater travelling driving energy support system
JP2006026545A Ozonization of ballast tank underwater creature
JP2006027668A Distribution system for biomass modified fluid fuel
JP2006027095A Continuous or semi-continuous method for making bamboo material to flat plate and its apparatus
JP2005328743A Fish-inducing system
JP2005230344A Artificial fish
JP2005161412A Multishaft moving mechanism
JP2005131213A Method for externimation of various bacteria using ozone for organism-growing apparatus
JP2005119040A Method and apparatus for continuous compression processing of wood
JP2005102527A Method for separating adductor and entrail part
JP2005106508A Lumber sorting machine
JP2005096110A Wood smoking furnace
JP2005083039A Expansible and contractible opening cover
JP2005081224A Deodorization and volume reduction method for garbage and apparatus therefor
JP2005074403A Method, apparatus, and system for crushing, working, and transporting wood
JP2003012855A Polystyrol resin, solvent recovering apparatus, and solvent recovering method
JP2000334483A Bulking inhibitor
JPH09280748A Method of recovering top dross on molten metal bath
JPH0972671A Method of sucking and collecting slag and sludge of molten metal bath dregs with gas lifter