YA

Yasumasa Akatsuka

NK Nippon Kayaku: 10 patents #40 of 1,103Top 4%
📍 Tokyo, MA: #58 of 94 inventorsTop 65%
Overall (All Time): #438,982 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12391783 Polymer compound, and resin composition containing said compound Shigeo Hayashimoto 2025-08-19
12173120 Random copolymer compound, terminal-modified polymer compound, and resin composition including said compounds Kazuteru Shirai 2024-12-24
11988963 Low temperature cure photoimageable dielectric compositions and methods of their use Daniel J. Nawrocki, Katie Han 2024-05-21
9480154 Polyamide resin, epoxy resin compositions, and cured articles thereof Kazunori Ishikawa, Makoto Uchida 2016-10-25
7608336 Flame-retardant epoxy resin composition and cured product obtained therefrom Shigeru Moteki, Makoto Uchida, Kazunori Ishikawa 2009-10-27
7521100 Liquid crystal sealing agent and liquid crystalline display cell using the same Masahiro Imaizumi, Toyofumi Asano, Naoyuki Ochi, Masahiro Hirano, Sumio Ichimura +5 more 2009-04-21
6812318 Epoxy resins, epoxy resin mixtures, epoxy resin compositions and products of curing of the same Koji Nakayama, Katsuhiko Oshimi, Syouichi Tomida 2004-11-02
6723801 Polyphenol resin, process for its production, epoxy resin composition and its use Toyofumi Asano, Masahiro Imaizumi, Katsuhiko Oshimi, Syouichi Tomida 2004-04-20
6043333 Modified epoxy resin, epoxy resin composition and cured product thereof Kenichi Kuboki, Yoshitaka Kajiwara, Yoshio Shimamura 2000-03-28
5840824 Epoxy resin, epoxy resin composition and hardened product thereof Kenichi Kuboki, Yoshio Shimamura, Ryoichi Hasegawa 1998-11-24
5780571 Naphthalene ring-containing resins, resin compositions and cured products thereof Hiroaki Ohno, Hiromi Morita, Shigeru Moteki 1998-07-14