YK

Yoshihiro Kawada

NK Nippon Kayaku: 5 patents #128 of 1,103Top 15%
SC Sumika Fine Chemicals Co.: 5 patents #14 of 59Top 25%
SC Shin-Etsu Chemical Co.: 4 patents #740 of 2,176Top 35%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
SK Sekisui Kagaku Kogyo: 1 patents #148 of 395Top 40%
Overall (All Time): #379,680 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10308803 Epoxy resin containing silicone-modified epoxy resin and polyvalent carboxylic acid compound, and cured product thereof Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa +1 more 2019-06-04
9963542 Silicone-modified epoxy resin, composition containing the epoxy resin, and cured product of same Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa +2 more 2018-05-08
9944760 Silicone-modified epoxy resin, composition containing said epoxy resin, and cured product thereof Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa +2 more 2018-04-17
9793486 Polymer compound and light-emitting element using the same Daisuke Fukushima, Tomoyasu Yoshida, Takashi Kuragano, Makoto Anryu 2017-10-17
9777107 Silicone-modified epoxy resin and composition and cured article thereof Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa +3 more 2017-10-03
8017378 Method for production of optically active biphenylalanine compound or salt or ester thereof Kiyoshi Sugi, Masahide Tanaka, Daisuke Sasayama 2011-09-13
7361450 Photosensitive resins, resin compositions and products of curing thereof Hiroo Koyanagi, Koji Nakayama, Chie Umeyama, Minoru Yokoshima 2008-04-22
6815548 Process for preparing a piperidine derivative Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 2004-11-09
6610851 Process for preparing a piperidine derivative Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 2003-08-26
6476227 Piperidine derivative and process for preparing the same Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 2002-11-05
6316628 L-tartrate of trans-(-)-4-(4-fluorophenyl)-3-hydroxymethylpiperidine compound and process for preparing the same Shigeya Yamazaki, Taro Ishibashi, Hiroyuki Yumoto, Taichi Yoshikawa, Masami Igi 2001-11-13
5948914 Piperidine derivative and process for preparing the same Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 1999-09-07
4478775 Method of extruding and shaping thermoplastic material Gen Endo, Hirokazu Hori, Junzo Sakai 1984-10-23