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SUMIKIN AIR WATER CHEMICAL INC

Overview
  • Total Patents
    31
About

SUMIKIN AIR WATER CHEMICAL INC has a total of 31 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Japan, Germany and United States. Its main competitors in its focus markets organic fine chemistry and environmental technology are LIVZON SYNTPHARM CO LTD ZHUHAI FTZ, SYNTEZA CHEM SPOLDZIELNIA and THE SELDEN COMPANY.

Patent filings in countries

World map showing SUMIKIN AIR WATER CHEMICAL INCs patent filings in countries
# Country Total Patents
#1 Japan 28
#2 Germany 2
#3 United States 1

Patent filings per year

Chart showing SUMIKIN AIR WATER CHEMICAL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Namekata Takeshi 6
#2 Sone Yoshihisa 6
#3 Sato Toshio 6
#4 Murata Seiki 5
#5 Sugawara Michiaki 2
#6 Fujibayashi Ryoichi 2
#7 Yamaguchi Hiromichi 2
#8 Ito Ikuo 2
#9 Yokota Keiichi 2
#10 Shirahama Ryoichi 1

Latest patents

Publication Filing date Title
JP2004189651A Method for producing 2,3-pyridinedicarboxylic acid
JP2004189608A Method for purifying 2,5-dihydroxybenzoic acid
JP2004155725A Method for obtaining high-purity 2, 3-pyridinedicarboxylic acid
JP2004149437A Method for producing triarylphosphoniophenolate
JP2003252956A Hardening agent for epoxy resin, epoxy resin composition and application of the composition
JP2004143054A Method for producing aromatic carboxylic acid having ethynyl group
JP2004107254A Method for removing tar acid from quinolines
JP2004091428A Method for producing 6-bromo-2-naphthalenecarboxylic acid
JP2004091416A Purification method for carboxylic acid
JP2004083455A Method for manufacturing 6-bromo-2-methylnaphthalene
JP2004074010A Method of discharging packed material in column
JP2004067922A Process for treating de-ammoniacal liquor
JP2004018391A Production method for anthracene-9-carboxylic acid
JP2003342253A Method for producing 2-alkyl-3-nitroisothiourea
JP2003335760A Method for producing 7-hydroxy-1,2,3,4- tetrahydroisoquinoline and n-acetylated product thereof
JP2003286221A Method for producing 1,4-naphthalenedicarboxylic acid
JP2003286213A Method for producing 4,4'-(1-phenylethylidene)bisphenol
JP2003286264A Method for producing 5-isoquinolinesulfonic acid
JP2003268073A Curing agent for epoxy resin, its composition and use thereof
JP2003231659A Purification method for optically active 1,1'-bi-2-naphthol