SI

Shin'ichi Ijima

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,170,267 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7064898 Optoelectronic device Shoichi Takasuka, Hideyuki Nakanishi, Akio Yoshikawa 2006-06-20
6501156 Lead frame which includes a die pad, a support lead, and inner leads Hideyuki Nakanishi, Akio Yoshikawa, Ryuma Hirano 2002-12-31