YU

Yutaka Umetsu

HO Hochiki: 1 patents #97 of 161Top 65%
📍 Tama, JP: #254 of 402 inventorsTop 65%
Overall (All Time): #4,050,182 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4378602 Communication system with a limited communication area Takeshi Takeuchi 1983-03-29