KS

Keiji Sumiya

HC Hitachi Chemical Company: 1 patents #49 of 170Top 30%
📍 Hitachinaka, JP: #135 of 333 inventorsTop 45%
Overall (2011): #244,259 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7947779 Semiconductor device by adhering circuit substrate with adhesive film of epoxy resin, phenolic resin and incompatible polymer Teiichi Inada, Takeo Tomiyama, Tetsurou Iwakura, Hiroyuki Kawakami, Masao Suzuki +6 more 2011-05-24