YS

Yoshio Shimamura

NK Nippon Kayaku: 4 patents #176 of 1,103Top 20%
GC Gun Ei Chemical Industry Co.: 1 patents #14 of 42Top 35%
Overall (All Time): #1,273,255 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6420464 Polyhydric phenol compounds, epoxy resins, epoxy resin compositions and cured products thereof Kenichi Kuboki, Yoshitaka Kajiwara, Eiko Watanabe, Katsuhiko Oshimi 2002-07-16
6124420 Epoxy resin, epoxy resin composition and hardened product thereof Kenichi Kuboki, Ryoichi Hasegawa, Yoshiaki Kurimoto, Akiyuki Kojima, Yukio Abe 2000-09-26
6043333 Modified epoxy resin, epoxy resin composition and cured product thereof Kenichi Kuboki, Yoshitaka Kajiwara, Yasumasa Akatsuka 2000-03-28
5840824 Epoxy resin, epoxy resin composition and hardened product thereof Yasumasa Akatsuka, Kenichi Kuboki, Ryoichi Hasegawa 1998-11-24