MI

Mahito Ishikawa

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,955,259 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4756596 Optical unit for composite overhead ground wire Atsuhiro Ona, Takeshi Yamamoto 1988-07-12