Inventor
TANAKA SADASHI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA SADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS5752785AMay 19, 1998
Drainage pump station and drainage operation method for drainage pump station
HITACHI LTD57 citations96
US5709531AJan 20, 1998
Centrifugal compressor and vaned diffuser
HITACHI LTD46 citations95
US5595473AJan 21, 1997
Centrifugal fluid machine
HITACHI LTD39 citations95
US5516263AMay 14, 1996
Centrifugal compressor and vaned diffuser
HITACHI LTD50 citations95
US6442792B1Sep 3, 2002
Vacuum cleaner
HITACHI LTD68 citations94
US6568904B1May 27, 2003
Fluidal machine
HITACHI LTD22 citations92
US6102618AAug 15, 2000
Large-depth underground drainage facility and method of running same
HITACHI LTD38 citations92
US5909982AJun 8, 1999
Large-depth underground drainage facility and method of running same
HITACHI LTD35 citations92
US5487621AJan 30, 1996
Large-depth underground drainage facility and method of running same
HITACHI LTD39 citations92
US6371724B2Apr 16, 2002
Centrifugal fluid machine
HITACHI LTD13 citations81
US5971705AOct 26, 1999
Centrifugal fluid machine
HITACHI LTD11 citations81
US5857834AJan 12, 1999
Centrifugal fluid machine
HITACHI LTD11 citations81
US5733064AMar 31, 1998
Drainage water pumping station and method for operating the same
HITACHI LTD5 citations74
US5498105AMar 12, 1996
Drainage water pumping station and method for operating the same
HITACHI LTD7 citations74
US5360289ANov 1, 1994
Drainage water pumping station and method for operating the same
HITACHI LTD10 citations74
US6364607B2Apr 2, 2002
Centrifugal fluid machine
HITACHI LTD6 citations73
US6312222B1Nov 6, 2001
Centrifugal fluid machine
HITACHI LTD5 citations73
US6290460B1Sep 18, 2001
Centrifugal fluid machine
HITACHI LTD7 citations73
US6139266AOct 31, 2000
Centrifugal fluid machine
HITACHI LTD6 citations73
US5634740AJun 3, 1997
Large-depth underground drainage facility and method of running same
HITACHI LTD5 citations73
US6162015ADec 19, 2000
Centrifugal type fluid machine
HITACHI LTD15 citations69
US6749397B2Jun 15, 2004
Fluidal machine
HITACHI LTD4 citations62
US6132136AOct 17, 2000
Drainage water pumping station and method for operating the same
HITACHI LTD0 citations52
US5603587AFeb 18, 1997
Drainage water pumping station and method for operating the same
HITACHI LTD0 citations52