Inventor
KAKUGAWA SHIGERU
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KAKUGAWA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS7151335B2Dec 19, 2006
Permanent magnet rotating electric machine and electric car using the same
HITACHI LTD86 citations98
US7521832B2Apr 21, 2009
Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine
HITACHI LTD28 citations93
US7026817B2Apr 11, 2006
Nuclear magnetic resonance spectrometer for liquid-solution
HITACHI LTD12 citations92
US6897657B2May 24, 2005
Nuclear magnetic resonance spectrometer for liquid-solution
HITACHI LTD15 citations92
US6859036B2Feb 22, 2005
NMR analyzer
HITACHI LTD22 citations92
US6828791B2Dec 7, 2004
Nuclear magnetic resonance apparatus probe having a solenoid coil and a saddle coil and nuclear magnetic resonance apparatus probe using the same
HITACHI LTD25 citations92
US6538545B2Mar 25, 2003
Magnet, a method of adjustment of magnetic field and a magnetic resonance imaging apparatus
HITACHI LTD20 citations92
US7138802B2Nov 21, 2006
Nuclear magnetic resonance apparatus probe
HITACHI LTD12 citations84
US6975118B2Dec 13, 2005
Supersensitive nuclear magnetic resonance micro imaging apparatus
HITACHI LTD14 citations84
US6888352B2May 3, 2005
Nuclear magnetic resonance spectrometer using split magnets
HITACHI LTD11 citations82
US7208954B2Apr 24, 2007
NMR analyzer
HITACHI LTD6 citations74
US7190167B2Mar 13, 2007
Nuclear magnetic resonance spectrometer for liquid-solution
HITACHI LTD8 citations74
US7154271B2Dec 26, 2006
Split type NMR Superconductive magnet device and NMR apparatus for solution analysis with a permanent current switch holding the split type superconducting magnet in a permanent current mode
HITACHI LTD5 citations74
US7084634B2Aug 1, 2006
Nuclear magnetic resonance apparatus probe
HITACHI LTD10 citations74
US7053621B2May 30, 2006
Split type NMR magnet device and NMR apparatus for solution analysis with at least an 11 T static magnetic field and different energizing directions of the NMR magnets
HITACHI LTD8 citations74
US7046007B2May 16, 2006
Nuclear magnetic resonance spectrometer using split magnets
HITACHI LTD9 citations74
US6909347B2Jun 21, 2005
Magnet for magnetic resonance imaging apparatus
HITACHI LTD10 citations74
US5812042ASep 22, 1998
Superconducting magnet formed by laminating hollow conductor plates
HITACHI LTD15 citations74
US5296812AMar 22, 1994
Superconducting magnet assembly for MRI and MRI diagnostic apparatus
HITACHI LTD9 citations74
US7292040B2Nov 6, 2007
Split type NMR superconductive magnet device and NMR apparatus for solution analysis with different current directions and a permanent current switch
HITACHI LTD3 citations63
US7212003B2May 1, 2007
NMR analyzer
HITACHI LTD2 citations63
US7492159B2Feb 17, 2009
Nuclear magnetic resonance spectrometer for liquid-solution
HITACHI LTD0 citations52
US10629355B2Apr 21, 2020
Stationary induction apparatus
HITACHI LTD0 citations38
HITACHI MEDICAL CORP
8 patentsUS6600318B1Jul 29, 2003
Open MRI system with a vertical static field and an imaging volume closer to the lower than to the upper magnet assembly
HITACHI MEDICAL CORP19 citations92
US6580346B1Jun 17, 2003
Magnetic resonance imaging apparatus
HITACHI MEDICAL CORP34 citations92
US5936498AAug 10, 1999
Superconducting magnet apparatus and magnetic resonance imaging system using the same
HITACHI MEDICAL CORP29 citations92
US6037850AMar 14, 2000
Superconducting magnet apparatus and method of regulating magnetization thereof
HITACHI MEDICAL CORP35 citations91
US6853281B1Feb 8, 2005
Magnet apparatus and mri apparatus
HITACHI MEDICAL CORP19 citations83
US6937017B2Aug 30, 2005
Magnetic pole magnet device using the magnetic pole, and magnetic resonance imaging apparatus
HITACHI MEDICAL CORP3 citations63
US6816047B2Nov 9, 2004
Magnetic resonance imaging apparatus
HITACHI MEDICAL CORP5 citations63
US6909348B2Jun 21, 2005
Low-leakage magnetic-field magnet and shield coil assembly
HITACHI MEDICAL CORP4 citations62
TAJIMA FUMIO
2 patentsUSRE44037EMar 5, 2013
Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine
TAJIMA FUMIO19 citations92
US8067871B2Nov 29, 2011
Permanent magnet rotating electric machine and electric car using the same
TAJIMA FUMIO15 citations92