RS

Ryouichi Sekioka

DJ Dystar Japan: 5 patents #4 of 19Top 25%
HK Hoechst Mitsubishi Kasei: 3 patents #3 of 19Top 20%
DG Dystar Colours Distribution Gmbh: 1 patents #20 of 39Top 55%
Overall (All Time): #512,752 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
RE46018 Disperse azo dye mixtures Manfred Hoppe, Kiyoshi Himeno 2016-05-31
6121352 Disperse azo dye mixtures Manfred Hoppe, Kiyoshi Himeno 2000-09-19
5608042 Benzothiazolemonoazo dyes Kiyoshi Himeno, Toshio Hihara 1997-03-04
5595575 Blue disperse dye mixture Kiyoshi Himeno, Toshio Hihara 1997-01-21
5527888 Thiophene-type monoazo dyes Kiyoshi Himeno, Toshio Hihara 1996-06-18
5505742 Method for dyeing hydrophobic fibers black and dye useful for the method Kiyoshi Himeno, Kazuhisa Konishi 1996-04-09
5494492 Disperse dye composition and method for dyeing hydrophobic fibers with it Kiyoshi Himeno, Kazuhisa Konishi 1996-02-27
5340930 Monoazo dye having a thiophene derivative as diazo component Kiyoshi Himeno 1994-08-23
5304222 Monoazo benzothiazole disperse dye mixture Kouichi Seto 1994-04-19
5278294 Monoazo dye having diaminopyridine derivatives Kiyoshi Himeno 1994-01-11