Inventor · disambiguated record
Tsuguyoshi Hirooka
Also filed as: HIROOKA TSUGUYOSHI
7 granted patents·1 pending application·125 citations·filing 1994–2018
86Inventor score
Top patents by PatentIndex Score
8 records- 0182US5937020ADigital information signal reproducing circuit and digital information systemHITACHI LTD·Filed 1996·Granted Aug 10, 1999·42 cites·42 claims
- 0277US5872666ADecoder circuitry with PRML signal processing for reproducing apparatusHITACHI LTD·Filed 1995·Granted Feb 16, 1999·35 cites·3 claims
- 0368US5745066AAD converter and magnetic recording/regenerating apparatus using thereofHITACHI LTD·Filed 1996·Granted Apr 28, 1998·17 cites·30 claims
- 0455US6700721B2Magnetic recording and reproducing apparatus and semiconductor integrated circuit for use in the same comprising a read/write signal processor having an interleave write data generatorHITACHI LTD·Filed 2002·Granted Mar 2, 2004·2 cites·11 claims
- 0553US5867333AData recording and reproducing apparatus and phase locked loop circuit for use therein including D/A converters acting as charge pumps and a reference voltage sourceHITACHI LTD·Filed 1995·Granted Feb 2, 1999·18 cites·10 claims
- 0646US6452736B1Magnetic recording and reproducing apparatus and a read/write amplifier having a signal transmission system with high speed of data write signalHITACHI LTD·Filed 1995·Granted Sep 17, 2002·6 cites·8 claims
- 0746US5557274AAd converter and magnetic recording/regenerating apparatus using the sameHITACHI LTD·Filed 1994·Granted Sep 17, 1996·5 cites·7 claims
- 0837US2019113393A1Temperature sensorRENESAS ELECTRONICS AMERICA INC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →