KS

Kazuhiko Sunagawa

KU Kureha: 5 patents #43 of 354Top 15%
KC Kureha Chemical Industry Co.: 2 patents #45 of 215Top 25%
KK Kureha Kagaku Kogyo: 2 patents #222 of 607Top 40%
KK Kureha Kagaku Kogyo K.K.: 2 patents #51 of 125Top 45%
KK Kureha Kagaku Kabushiki Kaisha: 1 patents #1 of 17Top 6%
Overall (All Time): #419,041 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9278966 Method for manufacturing oxetane compound, method for manufacturing azolylmethylcyclopentanol compound, and intermediate compound Toru Yamazaki, Emiko Obata 2016-03-08
9255350 Branched poly(arylene sulfide) resin and method for producing same Shingo Taniguchi, Hiroshi Sakabe, Yui Yoshida 2016-02-09
8722907 Production process of glycolide Shigeru Suzuki, Kazuyuki Yamane, Toshihiko Ono 2014-05-13
7211704 Method for producing p-dichlorobenzene Takashi Wakasugi, Tsugio Nonaka, Tadashi Miyakawa, Takanobu Hanabusa, Shigeru Mizusawa 2007-05-01
7166750 Process for the preparation of 5-[(4-chlorophenyl)methyl]-2,2-dimethylcyclopentanone Hajime Hoshi, Shigeru Mizusawa, Nobuyuki Kusano, Satoru Kumazawa 2007-01-23
6916939 Process for the preparation of cyclic esters and method for purification of the same Kazuyuki Yamane, Yukichika Kawakami, Hajime Hoshi 2005-07-12
6200933 6-(Nonsubstituted or substituted) phenoxy picolinic acids, process of preparing the same, and agricultural/horticultural germicides containing the same Hisashi Kanno, Yoichi Kanda, Takayoshi Eizuka 2001-03-13
5705701 Process for producing trimethylsulfoxonium bromide 1998-01-06
5646291 Process for the manufacture of 2-phenyl-4,5-oxazoledione 4-phenylhydrazone derivatives Hajime Hoshi, Takeo Watanabe 1997-07-08
5446167 Process for separating isomers of azolylmethylcyclopentanol derivatives Shoichiro Hayashi, Satoru Kumazawa 1995-08-29
5279719 Method for chlorination of methylated aromatic compounds Hajime Hoshi, Tsumoru Watanabe 1994-01-18
5113020 Process for producing p-halogenobenzophenone derivatives Nobuyuki Kusano 1992-05-12