Inventor · disambiguated record
Kazuyuki Hirooka
Also filed as: HIROOKA KAZUYUKI
9 granted patents·3 pending applications·129 citations·filing 1991–2012
88Inventor score
Top patents by PatentIndex Score
12 records- 0191US7684097B2Recording apparatus and phase modulation deviceSONY CORP·Filed 2007·Granted Mar 23, 2010·13 cites·3 claims
- 0287US6421196B1Method and apparatus for controlling recording mediumSONY CORP·Filed 1999·Granted Jul 16, 2002·57 cites·7 claims
- 0382US6643086B1Tape driving apparatusSONY CORP·Filed 2000·Granted Nov 4, 2003·20 cites·15 claims
- 0481US7502297B2Hologram recording apparatus, hologram reproducing apparatus, hologram recording method, and hologram reproducing methodSONY CORP·Filed 2005·Granted Mar 10, 2009·5 cites·10 claims
- 0580US6667846B2Information storage device having tape cassette with noncontact memory and antennaSONY CORP·Filed 2001·Granted Dec 23, 2003·13 cites·3 claims
- 0677US7764584B2Reproducing apparatus, reproducing method, recording and reproducing apparatus, recording and reproducing method, recording apparatus, and recording methodSONY CORP·Filed 2007·Granted Jul 27, 2010·3 cites·16 claims
- 0755US6680817B1Recording medium device containing recording medium and recording/reproducing deviceSONY CORP·Filed 1999·Granted Jan 20, 2004·13 cites·4 claims
- 0851US7835049B2Reproducing apparatus and reproducing methodSONY CORP·Filed 2007·Granted Nov 16, 2010·0 cites·9 claims
- 0944US2003210495A1Tape cassette and information storage deviceSONY CORP·Filed 2003·Application pending·0 cites
- 1037US2002105749A1Communications device for non-contact semiconductor memoriesFiled 2001·Application pending·0 cites
- 1136US2013069864A1Display apparatus, display method, and programHIROOKA KAZUYUKI·Filed 2012·Application pending·0 cites
- 1230US5093727AImage sensor having photodiodes of improved response to low intensity optical inputTAIYO YUDEN KK·Filed 1991·Granted Mar 3, 1992·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →