Inventor · disambiguated record
Kenichi Hase
Also filed as: HASE KENICHI
16 granted patents·573 citations·filing 1989–1999
95Inventor score
Files withHITACHI LTD16
Top patents by PatentIndex Score
16 records- 0198US5878097ASignal processing delay circuitHITACHI LTD·Filed 1997·Granted Mar 2, 1999·158 cites·3 claims
- 0295US5633766AMagnetic disk storage apparatus with phase sync circuit having controllable response characteristicsHITACHI LTD·Filed 1994·Granted May 27, 1997·72 cites·12 claims
- 0393US5636254ASignal processing delay circuitHITACHI LTD·Filed 1995·Granted Jun 3, 1997·70 cites·15 claims
- 0493US5404250AMagnetic disk storage apparatus with phase sync circuit having controllable response characteristicHITACHI LTD·Filed 1994·Granted Apr 4, 1995·59 cites·2 claims
- 0584US5572163AActive filter control apparatusHITACHI LTD·Filed 1994·Granted Nov 5, 1996·39 cites·12 claims
- 0682US5937020ADigital information signal reproducing circuit and digital information systemHITACHI LTD·Filed 1996·Granted Aug 10, 1999·42 cites·42 claims
- 0780US5999353AMagnetic disk storage apparatus with phase sync circuit having controllable response characteristicHITACHI LTD·Filed 1997·Granted Dec 7, 1999·28 cites·24 claims
- 0878US5062011AAddress mark generating method and its circuit in a data memoryHITACHI LTD·Filed 1989·Granted Oct 29, 1991·24 cites·14 claims
- 0973US5559645ADisk recording apparatus with adaptive window adjustingHITACHI LTD·Filed 1994·Granted Sep 24, 1996·17 cites·5 claims
- 1073US5187615AData separator and signal processing circuitHITACHI LTD·Filed 1991·Granted Feb 16, 1993·17 cites·19 claims
- 1160US5963064ALinear transfer voltage to current circuitHITACHI LTD·Filed 1998·Granted Oct 5, 1999·20 cites·3 claims
- 1257US5222002ASemiconductor integrated circuit which performs phase synchronizationHITACHI LTD·Filed 1991·Granted Jun 22, 1993·10 cites·9 claims
- 1344US5463504AMagnetic disk system and waveform equalizer thereforHITACHI LTD·Filed 1993·Granted Oct 31, 1995·5 cites·13 claims
- 1443US5475715ASync data introduction method and systemHITACHI LTD·Filed 1992·Granted Dec 12, 1995·5 cites·21 claims
- 1541US6266200B1Magnetic disk storage apparatusHITACHI LTD·Filed 1999·Granted Jul 24, 2001·4 cites·9 claims
- 1640US5402274AData separator and signal processing circuit with an adjustable windowHITACHI LTD·Filed 1992·Granted Mar 28, 1995·3 cites·21 claims
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