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DYSTAR JAPAN LTD

Overview
  • Total Patents
    58
About

DYSTAR JAPAN LTD has a total of 58 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets basic materials chemistry, machines and textiles and paper are DYSTAR TEXTILFARBEN GMBH & AMP, HOECHST MITSUBISHI KASEI and CIBA COMPANY INC.

Patent filings per year

Chart showing DYSTAR JAPAN LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Himeno Kiyoshi 22
#2 Hihara Toshio 22
#3 Hibara Toshio 10
#4 Sekioka Ryouichi 10
#5 Takahashi Yousuke 8
#6 Buehler Ulrich 6
#7 Inoue Hiroshi 6
#8 Hosoda Daisuke 5
#9 Buehler Ulrich Dr 4
#10 Hamano Yoshiharu 4

Latest patents

Publication Filing date Title
JP2006008871A Disperse dye for polylactic acid fiber
JP2005036071A Disperse dye mixture suitable for dyeing polylactic acid fiber
JP2005023254A Disperse dye mixture having high color fastness to light
JP2004339252A Disperse dye mixture suitable for dyeing composite material of polyurethane and polyester
JP2004168950A Disperse dye mixture having high color fastness to light
JP2004067933A Yellow disperse dye mixture having high light fastness
JP2003268256A Dye composition suited in dying acetate and polyester blend fiber and its dyeing method
JP2003055570A Reactive dye composition and method for dying using the same
JP2002201575A Method for drying cellulosic fiber
CA2225380A1 Method for dyeing mixed fibers
CN1130660A Blue series reactivity dye composition and dye composition blend with same
US5595575A Blue disperse dye mixture
US5569309A Disperse dye compositions
US5527888A Thiophene-type monoazo dyes
US5922089A Method of dyeing polyester and polyester-containing textile materials
US5494493A Disperse dye mixture
EP0637615A2 Red reactive dyes, their compositions and dyeing method employing them
TW418239B Red reactive dyes, their composition and dyeing method empolying them
US5532344A Process for producing a monoazodye by diazo-coupling of a p-nitroanaline derivative with a N,N-substituted analine derivative
EP0546366A1 Monoazo dyes and mixtures containing them