Inventor
MITA MASAHIRO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “MITA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
20 patentsUS5684352ANov 4, 1997
Permanent magnet field-type rotating machine
HITACHI METALS LTD247 citations99
US5821710AOct 13, 1998
Brushless motor having permanent magnets
HITACHI METALS LTD122 citations97
US5841212ANov 24, 1998
Permanent magnet field type rotating machine
HITACHI METALS LTD65 citations96
US6265800B1Jul 24, 2001
Diskette incorporating permanent magnet generator with reduced cogging torque and permanent magnet generator for use in diskette
HITACHI METALS LTD23 citations92
US5523911AJun 4, 1996
Minimum bearing load, high precision actuator arm with force couple actuation
HITACHI METALS LTD20 citations92
US5495376AFeb 27, 1996
Power loss actuated magnetic latch system for head-arm assembly
HITACHI METALS LTD26 citations92
US7511679B2Mar 31, 2009
Antenna, and radio timepiece using the same, keyless entry system, and RFID system
HITACHI METALS LTD19 citations91
US6169826B1Jan 2, 2001
Optical switch
HITACHI METALS LTD53 citations88
US7981359B2Jul 19, 2011
Rotor and process for manufacturing the same
HITACHI METALS LTD12 citations83
US7463208B2Dec 9, 2008
Antenna, and radio-controlled timepiece, keyless entry system and RFID system
HITACHI METALS LTD14 citations83
US7061439B1Jun 13, 2006
Antenna, watch provided with the antenna, and method of manufacturing the antenna
HITACHI METALS LTD14 citations82
US8039998B2Oct 18, 2011
Rotor for motor and method for producing the same
HITACHI METALS LTD10 citations79
US10044251B2Aug 7, 2018
Linear motor
HITACHI METALS LTD2 citations73
US6700247B2Mar 2, 2004
Thin type permanent magnet generator and diskette incorporating same
HITACHI METALS LTD8 citations73
US6462907B1Oct 8, 2002
Diskette incorporating a permanent magnet generator having a stator with magnetic pole teeth that are axially thinner than a permanent magnet that cooperates with the stator
HITACHI METALS LTD7 citations73
US6384502B1May 7, 2002
Diskette incorporating permanent magnet generator
HITACHI METALS LTD10 citations73
US7336865B2Feb 26, 2008
Optical switch
HITACHI METALS LTD4 citations63
US7847460B2Dec 7, 2010
Yoke-integrated bonded magnet and magnet rotator for motor using the same
HITACHI METALS LTD3 citations62
US6313554B1Nov 6, 2001
Diskette incorporating permanent magnet generator with low leakage flux
HITACHI METALS LTD6 citations62
US9755552B2Sep 5, 2017
Frequency converter
HITACHI METALS LTD0 citations42