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NIPPON DACRO SHAMROCK CO

Overview
  • Total Patents
    77
About

NIPPON DACRO SHAMROCK CO has a total of 77 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, EPO (European Patent Office) and Australia. Its main competitors in its focus markets surface technology and coating, basic materials chemistry and biotechnology are CHEMETALL PLC, WUXI SHITANGWAN IND PARK DEV CONSTRUCTION CO LTD and BRENT INT PLC.

Patent filings per year

Chart showing NIPPON DACRO SHAMROCK COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakazato Michiaki 20
#2 Konishi Yasuhiko 14
#3 Nishikawa Toshio 12
#4 Ayukawa Nobuhiro 11
#5 Sugano Kazuaki 10
#6 Higashiyama Takao 10
#7 Okada Hirokuni 8
#8 Inoue Tadayoshi 7
#9 Omori Shigeru 6
#10 Fukushima Ichiro 6

Latest patents

Publication Filing date Title
JP2005200678A Corrosion prevention method and corrosion prevention device for metallic part
JP2003160878A Metal surface treatment method
JP2003003271A Corrosion protective covered composition and preparation agent for preparing corrosion protective covered composition
JP2001342575A Aqueous metal surface treatment agent
TW387926B Surface treatment agent for metals, surface treatment method for metals, and pre-coated steel plate
JPH10264300A High anticorrosive precoat steel plate
JPH08296053A Surface treatment of steel material and aqueous chromating solution
JPH0873778A Zinc-rich paint and its production
JPH07207456A Formation of coating film of metal coating composition
JPH0748678A Surface coating method
JPH0718461A Surface treatment of zinc-aluminum alloy plated steel sheet, finishing agent and surfacetreated zinc-aluminum alloy plated steel sheet
JPH06306631A Surface blackening treated steel
JPH06280041A Baking type metallic surface blackening treating solution
JPH069897A Coated metallic flake containing zinc, its production and coating
JPH05295140A Hard-coated plastic and its production
JPH06280040A Anti-corrosive coating film composition capable of forming into thick film
EP0488353A1 Method for treatment of metal surfaces
GB9119726D0 Phosphatizing compositions
US5131948A Anticorrosion coating composition
JPH02180683A Preparation of painted object