Inventor
IIZUKA TADASHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “IIZUKA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS6258293B1Jul 10, 2001
Refrigeration cycle
HITACHI LTD35 citations95
US5964581AOct 12, 1999
Refrigerant compressor
HITACHI LTD53 citations95
US5711165AJan 27, 1998
Refrigerating apparatus and refrigerant compressor
HITACHI LTD47 citations95
US4944663AJul 31, 1990
Rotary compressor having oxidizing and nitriding surface treatment
HITACHI LTD59 citations94
US6029459AFeb 29, 2000
Refrigeration cycle
HITACHI LTD28 citations92
US5553465ASep 10, 1996
Refrigeration apparatus containing lubricant composition
HITACHI LTD24 citations92
US5417872AMay 23, 1995
Lubricant composition, refrigeration apparatus containing same and process for operating the apparatus
HITACHI LTD28 citations92
US6176094B1Jan 23, 2001
Refrigerating machine oil composition, and refrigeration and compressor using the refrigerating machine oil composition
HITACHI LTD32 citations90
US5478220ADec 26, 1995
Compressor scroll made of silicon containing aluminum alloy
HITACHI LTD30 citations90
US5364248ANov 15, 1994
Sliding member, a method for producing same, and usages of same
HITACHI LTD32 citations89
US5087181AFeb 11, 1992
Sliding structure such as compressor or the like
HITACHI LTD30 citations89
US5445753AAug 29, 1995
Lubricant for refrigeration compressors
HITACHI LTD16 citations81
US5346667ASep 13, 1994
Method of manufacturing sintered aluminum alloy parts
HITACHI LTD15 citations73
US5090882AFeb 25, 1992
Rotary fluid machine having hollow vanes and refrigeration apparatus incorporating the rotary fluid machine
HITACHI LTD18 citations73
US5494423AFeb 27, 1996
Rotary compressor and blade tip structure
HITACHI LTD12 citations72
US5423664AJun 13, 1995
Iron-base alloy for rotary type compressors
HITACHI LTD12 citations71
US5387272AFeb 7, 1995
Highly ductile sintered aluminum alloy, method for production thereof and use thereof
HITACHI LTD11 citations71