RS

Ryotomo Shirakawa

FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
MC Mabuchi Motor Co.: 2 patents #62 of 228Top 30%
📍 Nikko, JP: #21 of 81 inventorsTop 30%
Overall (All Time): #1,655,191 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5338618 Electric contact material and electric contact using said material Satoshi Suzuki, Nobuyuki Shibata, Akira Matsuda 1994-08-16
5334294 Method of continuously processing wire material and device therefor Hirohisa Iwai, Kaisuke Shiroyama, Akira Matsuda, Takeo Nakamura 1994-08-02
5171643 Electric contact material and electric contact using said material Satoshi Suzuki, Nobuyuki Shibata, Akira Matsuda 1992-12-15