SUMITOMO SEIKA KK has a total of 14 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan and China. Its main competitors in its focus markets environmental technology, audio-visual technology and medical technology are TUCHINSKIJ VLADIMIR R, CHENGDU SI BO LI TECH CO LTD and TOHO RIKA KOGYO KK.
# | Industry | |
---|---|---|
#1 | Environmental technology | |
#2 | Audio-visual technology | |
#3 | Medical technology | |
#4 | Macromolecular chemistry and polymers |
# | Name | Total Patents |
---|---|---|
#1 | Kawamura Masao | 5 |
#2 | Itsuda Hiroshi | 3 |
#3 | Kimura Shigeo | 3 |
#4 | Sato Makoto | 3 |
#5 | Kato Kunioki | 3 |
#6 | Takagi Shuji | 2 |
#7 | Ogasawara Joji | 2 |
#8 | Ozaki Yoshitaka | 1 |
#9 | Kano Kenji | 1 |
#10 | Yoshikawa Masato | 1 |
Publication | Filing date | Title |
---|---|---|
JPH04283560A | Production of 2,6-di-tert-butyl-4-mercaptophenol | |
JPS6248667A | Process for producing thiocarbamate derivative | |
JPS6222765A | N- (6-alkoxy-2-pyridyl) -N-alkyldithiocarbamic acid alkali metal salt and process for producing the same | |
JPS6222766A | S- (2,4-dinitrophenyl) N- (6-alkoxy-2-pyridyl) -N-alkyldithiocarbamate and process for producing the same |