HK

Hiromi Koiwai

SC Sanken Electric Co.: 1 patents #175 of 315Top 60%
📍 Kawagoe, JP: #807 of 1,278 inventorsTop 65%
Overall (All Time): #3,435,778 of 4,157,543Top 85%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7145784 DC power source apparatus Mizuki Utsuno, Yoshikazu Takahashi, Hiroyuki Chikashige 2006-12-05