SY

Souhei Yamamura

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,662,043 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5151944 Headrest and mobile body equipped with same — 1992-09-29
5134520 Double directional image development head-up display optical system — 1992-07-28
5013135 Head-up display with two fresnel lenses — 1991-05-07