TS

Tetsuo Sonoda

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Joyo, JP: #33 of 80 inventorsTop 45%
Overall (All Time): #2,288,618 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5449448 Method of manufacturing anode foil for aluminium electrolytic capacitors Naomi Kurihara, Kazuo Okamura, Yoshihito Yoshimura, Kouichi Kojima 1995-09-12
5439565 Method of manufacturing electrode foil for aluminium electrolytic capacitors Takeshi Torii, Katsunori Suzuki, Kouichi Kojima 1995-08-08