HS

Hisao Seki

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Hamura, JP: #193 of 277 inventorsTop 70%
Overall (All Time): #4,094,563 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4282825 Surface treatment device Hiroto Nagatomo, Tetsuya Takagaki, Shirou Terasaki, Hitoshi Horimuki 1981-08-11