HS

Haruki Sakai

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
📍 Ibaraki, JP: #2,214 of 6,779 inventorsTop 35%
Overall (All Time): #1,295,490 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5178516 Centrifugal compressor Koji Nakagawa, Takeo Takagi, Junichi Kaneko, Yoshiaki Abe 1993-01-12
5096374 Vane controller Hisashi Nishkawa 1992-03-17
4969798 Diffuser for a centrifugal compressor Yoshiaki Abe, Koji Nakagawa 1990-11-13
4877370 Diffuser for centrifugal compressor Koji Nakagawa, Takeo Takagi, Yoshiaki Abe 1989-10-31