AI

Atsutoshi Ishikawa

SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
Overall (All Time): #3,535,226 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6343475 Pulse tube refrigerator with cartridge type regenerator — 2002-02-05