KW

Kuniya Watanabe

TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
📍 Rifu, JP: #1,311 of 2,101 inventorsTop 65%
Overall (All Time): #3,923,756 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4815286 Air flow check valve and system incorporating the same — 1989-03-28