YW

Yoiti Wakabayashi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Sano, JP: #64 of 108 inventorsTop 60%
Overall (All Time): #4,070,208 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4331280 Method of jointing pipes by friction welding Takao Terabayashi, Kenichi Waragai, Atsuya Kamada, Masaru Kobayashi, Izumi Ochiai 1982-05-25