TK

Toshihisa Kumakura

HC Hitachi Chemical Company: 5 patents #314 of 1,946Top 20%
📍 Chikusei, JP: #44 of 185 inventorsTop 25%
Overall (All Time): #1,025,168 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7740936 Adhesion assisting agent fitted metal foil, and printed wiring board using thereof Nobuyuki Ogawa, Hitoshi Onozeki, Takahiro Tanabe, Kenji Takai, Norio Moriike +2 more 2010-06-22
7572503 Method for preparing an insulating resin composition, insulating resin composition, multilayer wiring board and process for producing the same Shin Takanezawa, Koji Morita, Takako Watanabe, Hiroyuki Fukai, Hiroaki Fujita 2009-08-11
6979712 Method for preparing an insulating resin composition, insulating resin composition, multilayer wiring board and process for producing the same Shin Takanezawa, Koji Morita, Takako Watanabe, Hiroyuki Fukai, Hiroaki Fujita 2005-12-27
6841605 Adhesive composition for metal foil, and adhesive-coated metal foil, metal-clad laminate and related materials using the same Takeshi Horiuchi, Kazuyuki Magome, Norifumi Shiraishi 2005-01-11
5066691 Adhesive composition for metal-clad laminates Ken Nanaumi, Ryoichi Ikezawa, Hideki Eriguchi 1991-11-19