Inventor
FUKUSHIMA YASUO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “FUKUSHIMA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 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
US6196809B1Mar 6, 2001
Two-stage centrifugal compressor
HITACHI LTD60 citations96
US6111333AAug 29, 2000
Magnetic bearing, rotating machine mounting the same, and method for driving rotating machine
HITACHI LTD88 citations96
US6441523B1Aug 27, 2002
Very high permanent magnet type electric rotating machine system
HITACHI LTD24 citations92
US6376958B1Apr 23, 2002
Permanent magnet type synchronous motor and air compressor
HITACHI LTD25 citations92
US6369478B1Apr 9, 2002
Permanent-magnet-type electric rotating machine and air compressor and generator using the same
HITACHI LTD24 citations92
US5576587ANov 19, 1996
High-speed rotor and controller for controlling magnetic bearings used therefor
HITACHI LTD45 citations92
US5256952AOct 26, 1993
Magnetic bearing control method and apparatus
HITACHI LTD32 citations92
US5062766ANov 5, 1991
Turbo compressor
HITACHI LTD31 citations92
US5486729AJan 23, 1996
Method and apparatus for controlling a magnetic bearing
HITACHI LTD23 citations90
US5408875AApr 25, 1995
Balancing method for flexible rotor and a balancer applicable to the balancing method
HITACHI LTD31 citations89
US5491396AFeb 13, 1996
Magnetic bearing apparatus and rotating machine having such an apparatus
HITACHI LTD16 citations73
BRIDGESTONE CORP
6 patentsUS7186845B2Mar 6, 2007
Polymer-filler coupling additives
BRIDGESTONE CORP28 citations92
US6497261B1Dec 24, 2002
Pneumatic tire having tread made of foamed rubber composition
BRIDGESTONE CORP30 citations92
US11131329B2Sep 28, 2021
Pneumatic actuator
BRIDGESTONE CORP3 citations72
US10774855B2Sep 15, 2020
Hydraulic actuator
BRIDGESTONE CORP2 citations72
US8962296B2Feb 24, 2015
Isoprene synthase and gene encoding the same, and method for producing isoprene monomer
BRIDGESTONE CORP3 citations58
US7732517B2Jun 8, 2010
Organosilicon compounds and rubber compositions made by using the same
BRIDGESTONE CORP1 citations52