IH

Isamu Hiraoka

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
📍 Ashiya, JP: #143 of 346 inventorsTop 45%
Overall (All Time): #2,331,546 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4842654 Method of heat treatment of low melting-point metal on an electrode of a chip part Yasuhiro Shindo, Yukio Tsujimoto, Isami Saito, Hiroshi Hirayama 1989-06-27
4603007 Paste for forming a thick conductive film Koushiro Shibata, Tohru Miyoshi, Takeshi Shimomoto 1986-07-29