Inventor
KAWAKAMI KAZUHIKO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS7208816B2Apr 24, 2007
Electronic circuit device and manufacturing method thereof
HITACHI LTD18 citations92
US6771460B2Aug 3, 2004
Spindle motor and magnetic disc device using thereof having radial and thrust bearings
HITACHI LTD23 citations92
US6501617B1Dec 31, 2002
Press-fit and plastic-flow coupling of a shaft to a hub of a disk device
HITACHI LTD35 citations92
US6469866B1Oct 22, 2002
Spindle motor and magnetic disc device with hydrodynamic bearing
HITACHI LTD16 citations92
US6243230B1Jun 5, 2001
Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit
HITACHI LTD19 citations92
US4546412AOct 8, 1985
Electronic device for automobile
HITACHI LTD41 citations92
US4248201AFeb 3, 1981
Molded ignition device
HITACHI LTD41 citations90
US6369981B2Apr 9, 2002
Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit
HITACHI LTD13 citations74
US4267470AMay 12, 1981
Rotational angle detecting apparatus
HITACHI LTD18 citations74
US6680814B2Jan 20, 2004
Spindle motor and magnetic disc device with hydrodynamic bearings
HITACHI LTD8 citations73
US5065012ANov 12, 1991
Movement detecting device
HITACHI LTD13 citations73
US5036827AAug 6, 1991
Ignition coil-incorporated distributor for internal combustion engines
HITACHI LTD6 citations73
US4979486ADec 25, 1990
Ignition coil-incorporated distributor for internal combustion engines
HITACHI LTD6 citations73
US4023546AMay 17, 1977
Distributor for an internal combustion engine
HITACHI LTD13 citations73
US6369980B2Apr 9, 2002
Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit
HITACHI LTD1 citations63
US7453138B2Nov 18, 2008
Electronic circuit device and manufacturing method thereof
HITACHI LTD4 citations62
US4960099AOct 2, 1990
Distributor for internal combustion engine
HITACHI LTD5 citations62
US4129104ADec 12, 1978
Ignition timing control device of the negative pressure actuation type
HITACHI LTD3 citations62