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WAKAYAMA SEIKA KOGYO KK

Overview
  • Total Patents
    26
About

WAKAYAMA SEIKA KOGYO KK has a total of 26 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 organic fine chemistry are SHINETSU SAKUSAN BINIRU KK, HENAN ENERGY AND CHEMICAL INDUSTRY GROUP RES INST CO LTD and KHIM FAKULTET MGU IM M V LOMON.

Patent filings in countries

World map showing WAKAYAMA SEIKA KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 26

Patent filings per year

Chart showing WAKAYAMA SEIKA KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takeda Motonori 22
#2 Tao Katsutoshi 15
#3 Toda Minoru 14
#4 Fujiki Kenjiro 13
#5 Mori Seiichi 12
#6 Tamaoki Akihiro 11
#7 Imoto Mitsutaka 5
#8 Tsuji Hifumi 4
#9 Makishima Hiroki 3
#10 Sueoka Sadaaki 3

Latest patents

Publication Filing date Title
JP2013103932A Method for producing 2,4,6-tris(3-aminophenylamino)-1,3,5-triazine
JP2011213596A 9-(4-aminophenyl)-10-(4-aminophenylethynyl)anthracene, and method for producing the same
JP2011213597A 9,10-bis[5(or 6)-aminobenzoxazol-2-yl]anthracene, and method for producing the same
JP2011001279A Method for producing 2-(4-aminophenoxy)-5-aminobiphenyl and derivative thereof
JP2010159233A Method for producing 1,3-bis(3-aminophenoxy)benzene
JP2010159232A 9-(4-aminophenylethynyl)-10-(4-nitrophenylethynyl)anthracene, and method for producing the same
JP2009209074A 9,10-bis(4-aminophenylethynyl)anthracene and its manufacturing method
JP2007308452A Aromatic diamine and its production method
JP2007297319A 1,3-bis(aminophenoxy)-5-(phenylethynyl)benzene derivative and method for producing the same
JP2007246427A Method for producing 4,4'-diaminobiphenyl derivative
JP2000302738A 2-trifluoromethyl-4,4'-diaminodiphenyl ether and its production
JPH06128199A Mineral acid water slurry of benzidine derivatives having disperse stability
JPH0390052A Novel etherdiamine and production thereof
JPH01261356A Production of 2-nitro-4'-acetaminodiphenyl ether
JPH01254646A Improved production of sodium p-nitrophenol or potassium p-nitrophenol
JPH01254647A Inactivating treatment of amino group of aromatic amino compound or aliphatic amino compound by nitric acid oxidation
JPS6442456A Production of water slurry of 3,3-dichloro-4,4-diaminobiphenyl having dispersion stability
JPS6363645A Production of 4-amino-4'-nitrodiphenyl ether
JPS6339848A Production of 2,2'-dichlorohydrazobenzene
JPS62289532A Removing method for minor sulfur compound contained in aromatic compound such as benzene or the like