Inventor · disambiguated record
Kazuhiko Kawakami
Also filed as: KAWAKAMI KAZUHIKO
19 granted patents·313 citations·filing 1976–2007
95Inventor score
Top patents by PatentIndex Score
19 records- 0191US6501617B1Press-fit and plastic-flow coupling of a shaft to a hub of a disk deviceHITACHI LTD·Filed 2000·Granted Dec 31, 2002·35 cites·13 claims
- 0290US6771460B2Spindle motor and magnetic disc device using thereof having radial and thrust bearingsHITACHI LTD·Filed 2002·Granted Aug 3, 2004·23 cites·12 claims
- 0389US4248201AMolded ignition deviceHITACHI LTD·Filed 1978·Granted Feb 3, 1981·41 cites·13 claims
- 0485US4267470ARotational angle detecting apparatusHITACHI LTD·Filed 1979·Granted May 12, 1981·18 cites·9 claims
- 0583US6469866B1Spindle motor and magnetic disc device with hydrodynamic bearingHITACHI LTD·Filed 2000·Granted Oct 22, 2002·16 cites·17 claims
- 0683US4546412AElectronic device for automobileHITACHI LTD·Filed 1984·Granted Oct 8, 1985·41 cites·9 claims
- 0774US7208816B2Electronic circuit device and manufacturing method thereofHITACHI LTD·Filed 2003·Granted Apr 24, 2007·18 cites·1 claims
- 0874US4023546ADistributor for an internal combustion engineHITACHI LTD·Filed 1976·Granted May 17, 1977·13 cites·16 claims
- 0972US6369981B2Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 2001·Granted Apr 9, 2002·13 cites·14 claims
- 1071US7453138B2Electronic circuit device and manufacturing method thereofHITACHI LTD·Filed 2007·Granted Nov 18, 2008·4 cites·5 claims
- 1169US6680814B2Spindle motor and magnetic disc device with hydrodynamic bearingsHITACHI LTD·Filed 2002·Granted Jan 20, 2004·8 cites·10 claims
- 1262US6243230B1Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 1999·Granted Jun 5, 2001·19 cites·4 claims
- 1361US5151334AFuel cell utilizing solidous electrolyteMEIDENSHA ELECTRIC MFG CO LTD·Filed 1990·Granted Sep 29, 1992·30 cites·13 claims
- 1452US5065012AMovement detecting deviceHITACHI LTD·Filed 1990·Granted Nov 12, 1991·13 cites·20 claims
- 1546US6369980B2Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 2001·Granted Apr 9, 2002·1 cites·6 claims
- 1645US4979486AIgnition coil-incorporated distributor for internal combustion enginesHITACHI LTD·Filed 1989·Granted Dec 25, 1990·6 cites·14 claims
- 1745US4960099ADistributor for internal combustion engineHITACHI LTD·Filed 1989·Granted Oct 2, 1990·5 cites·12 claims
- 1841US5036827AIgnition coil-incorporated distributor for internal combustion enginesHITACHI LTD·Filed 1990·Granted Aug 6, 1991·6 cites·6 claims
- 1939US4129104AIgnition timing control device of the negative pressure actuation typeHITACHI LTD·Filed 1976·Granted Dec 12, 1978·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →