Inventor · disambiguated record
Hiroshige Okamura
Also filed as: OKAMURA HIROSHIGE
15 granted patents·1 pending application·320 citations·filing 1992–2015
94Inventor score
Top patents by PatentIndex Score
16 records- 0190US5450381AMagneto-optical recording utilizing signal phase adjustmentSONY CORP·Filed 1993·Granted Sep 12, 1995·50 cites·27 claims
- 0289US5615193AInformation recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashionSONY CORP·Filed 1995·Granted Mar 25, 1997·44 cites·13 claims
- 0388US5809004AInformation recording medium with pits edges shifted in a step-wise fashionSONY CORP·Filed 1996·Granted Sep 15, 1998·38 cites·28 claims
- 0486US7120105B2Recording medium, reproducing apparatus, and recording apparatusSONY CORP·Filed 2003·Granted Oct 10, 2006·29 cites·4 claims
- 0585US6914544B2Modulation apparatus and method and DSV control bit generation methodSONY CORP·Filed 2003·Granted Jul 5, 2005·14 cites·20 claims
- 0684US6965329B2Modulation apparatus and method, and DSV-control-bit generating methodSONY CORP·Filed 2005·Granted Nov 15, 2005·4 cites·1 claims
- 0782US5724330AInformation recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge, recording apparatus, reproducing apparatus, and recording and reproducing apparatus thereforSONY CORP·Filed 1992·Granted Mar 3, 1998·21 cites·11 claims
- 0881US5818805AReproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edgeSONY CORP·Filed 1995·Granted Oct 6, 1998·37 cites·15 claims
- 0980US6950042B2Modulating apparatus and method, and DSV control bit producing methodSONY CORP·Filed 2002·Granted Sep 27, 2005·14 cites·20 claims
- 1078US6982660B2Modulation apparatus and method, and DSV-control-bit generating methodSONY CORP·Filed 2005·Granted Jan 3, 2006·8 cites·1 claims
- 1177US5566158AInformation recording medium and a recording apparatus and a reproducing apparatus thereforSONY CORP·Filed 1995·Granted Oct 15, 1996·20 cites·26 claims
- 1275US5557592AReproducing apparatus for reproducing information from a recording medium with pit edges shifted in a step-wise fashionSONY CORP·Filed 1995·Granted Sep 17, 1996·24 cites·15 claims
- 1356US6958713B2Modulation apparatus and method, and DSV-control-bit generating methodSONY CORP·Filed 2005·Granted Oct 25, 2005·2 cites·1 claims
- 1455US5748582AInformation recording medium wherein digital symbols are represented by discrete shift amounts of a pit edge and tracking wobbling pits are shared between adjacent tracks and information recording and reproducing apparatus thereforSONY CORP·Filed 1996·Granted May 5, 1998·11 cites·2 claims
- 1547US7256718B2Modulation apparatus and methodSONY CORP·Filed 2003·Granted Aug 14, 2007·4 cites·15 claims
- 1645US2015142558A1Content distribution systemNIKON CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →