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SUMIKO ECO ENGINEERING CO LTD

Overview
  • Total Patents
    13
About

SUMIKO ECO ENGINEERING CO LTD has a total of 13 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Japan, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology and chemical engineering are DAIOH SHINYO CO LTD, OSHITARI LABORATORY INC and RADEBERG EMAILSCHMELZE.

Patent filings in countries

World map showing SUMIKO ECO ENGINEERING CO LTDs patent filings in countries

Patent filings per year

Chart showing SUMIKO ECO ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sugiyama Masashi 6
#2 Soda Kengo 6
#3 Akaishi Harunobu 3
#4 Ito Takehiko 2
#5 Yoshida Michio 2
#6 Kondo Fumio 1
#7 Takeya Shozo 1
#8 Ishii Kenichi 1
#9 Kondo Ayao 1
#10 Hashiguchi Yoshiyo 1

Latest patents

Publication Filing date Title
JP2008194646A Catalyst for decomposing organic nitrogen compound and method for treating organic nitrogen compound
JP2007268520A Catalyst for decomposing nitrogen compound and method for treating nitrogen compound
JP2007313410A Ammonia decomposition catalyst and ammonia treating method
JP2007021482A Ammonia decomposition catalyst and ammonia treating method
WO2007122678A1 Method and apparatus for treating gas containing nitrous oxide
JP2007216082A Catalyst for decomposing ammonia and method for treating ammonia
JP2007009563A Anticorrosion protective layer forming method, and anticorrosion coating structure
JP2006346642A Catalyst for decomposing ammonia and method for treating ammonia
JP2006206953A Method for installing anode for electric corrosion protection
JP2004284646A Method for attaining corrosion-proof surface of storage reservoir
JP2003342759A Structure coated with corrosion protective covering and corrosion protection method by covering
JP2003183866A Method for preventing organism fouling and corrosion in water conveyance line, and device therefor