Inventor
SAWA TOSHIO
19 patents
⚠️ This page may combine multiple inventors who share the name “SAWA TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS5463880ANov 7, 1995
Absorption refrigerator
HITACHI LTD23 citations92
US5398269AMar 14, 1995
Water quality control method and device for nuclear power plant, and nuclear power plant
HITACHI LTD24 citations92
US5377245ADec 27, 1994
Method of operating BWR plant, BWR plant and metal element injecting apparatus
HITACHI LTD26 citations92
US5028298AJul 2, 1991
Waste water concentrator and waste water disposal plant
HITACHI LTD39 citations92
US4927598AMay 22, 1990
Radioactivity reduction method of a nuclear power plant and a nuclear power plant reduced in radioactivity
HITACHI LTD27 citations91
US4894202AJan 16, 1990
Method of inhibiting radioactive substances from eluting into cooling water in a nuclear plant and an apparatus therefor
HITACHI LTD23 citations91
US4028237AJun 7, 1977
Method and apparatus for treatment of fluorine-containing waste waters
HITACHI LTD35 citations90
US4085194AApr 18, 1978
Waste flue gas desulfurizing method
HITACHI LTD26 citations81
US4294697AOct 13, 1981
Apparatus for treatment of sewage
HITACHI LTD19 citations80
US4280886AJul 28, 1981
Method for treatment of sewage
HITACHI LTD22 citations80