Inventor
NISHIDA HIDEO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “NISHIDA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6047461AApr 11, 2000
Rotor for permanent magnet excited, high-speed electric rotary machine, manufacturing method of the same and electric rotary machine including the same
HITACHI LTD112 citations98
US5980218ANov 9, 1999
Multi-stage compressor having first and second passages for cooling a motor during load and non-load operation
HITACHI LTD111 citations98
US6196809B1Mar 6, 2001
Two-stage centrifugal compressor
HITACHI LTD60 citations96
US6039535AMar 21, 2000
Labyrinth sealing device, and fluid machine providing the same
HITACHI LTD59 citations96
US5228832AJul 20, 1993
Mixed flow compressor
HITACHI LTD68 citations96
US5709531AJan 20, 1998
Centrifugal compressor and vaned diffuser
HITACHI LTD46 citations95
US5516263AMay 14, 1996
Centrifugal compressor and vaned diffuser
HITACHI LTD50 citations95
US6692224B2Feb 17, 2004
Turbo compressor
HITACHI LTD20 citations92
US6435822B1Aug 20, 2002
Labyrinth sealing device, and fluid machine providing the same
HITACHI LTD22 citations92
US6203275B1Mar 20, 2001
Centrifugal compressor and diffuser for centrifugal compressor
HITACHI LTD47 citations92
US5062766ANov 5, 1991
Turbo compressor
HITACHI LTD31 citations92
US4938661AJul 3, 1990
Multistage centrifugal compressor
HITACHI LTD54 citations92
US4421457ADec 20, 1983
Diffuser of centrifugal fluid machine
HITACHI LTD44 citations92
US4395197AJul 26, 1983
Centrifugal fluid machine
HITACHI LTD36 citations92
US4354802AOct 19, 1982
Vaned diffuser
HITACHI LTD42 citations89
US6302645B1Oct 16, 2001
Labyrinth sealing device, and fluid machine providing the same
HITACHI LTD14 citations82
US4288198ASep 8, 1981
Method of controlling multistage centrifugal compressor equipment
HITACHI LTD18 citations72
US9976552B2May 22, 2018
Performance prediction device and performance prediction method for compressor
HITACHI LTD0 citations40