SN

Sumiko Nakajima

HC Hitachi Chemical Company: 3 patents #513 of 1,946Top 30%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,534,154 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8809696 Method for surface treatment of copper and copper Tomoaki Yamashita, Sadao Itou, Fumio Inoue, Shigeharu Arike 2014-08-19
6811828 Electroless gold plating solution and method for electroless plating Akio Takahashi, Hiroshi Yamamoto, Kiyoshi Hasegawa, Kanji Murakami 2004-11-02
4557762 Electroless copper plating solution Akishi Nakaso, Toshiro Okamura, Kiyoshi Yamanoi 1985-12-10