YH

Yoshihiro Harakawa

NI Nitsuko: 3 patents #13 of 78Top 20%
Overall (All Time): #1,301,556 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4934033 Method of manufacturing a solid electrolytic capacitor Koji Izawa, Hiedmitsu Takeuchi, Shinji Nakamura, Sadamu Toita 1990-06-19
4929316 Method of manufacturing organic semi-conductor solid electrolytic capacitor Seiya Takahashi, Koji Izawa, Hidemitsu Takeuchi, Keizo Ikari 1990-05-29
4805074 Solid electrolytic capacitor, and method of manufacturing same Koji Izawa, Hidemitsu Takeuchi, Shinji Nakamura, Sadamu Toita 1989-02-14
4785380 Solid electrolytic capacitor, and method of manufacturing same Koji Izawa, Hidemitsu Takeuchi, Shinji Nakamura, Sadamu Toita 1988-11-15