Inventor · disambiguated record
Yasushi Higashiyama
Also filed as: HIGASHIYAMA YASUSHI
6 granted patents·4 pending applications·51 citations·filing 1982–2006
80Inventor score
Technology areasG11B
Top patents by PatentIndex Score
10 records- 0187US4525828AOptical magnetic recording deviceTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jun 25, 1985·33 cites·10 claims
- 0278US7603043B2Light receiving element circuit and optical disk driveTOSHIBA KK·Filed 2006·Granted Oct 13, 2009·4 cites·11 claims
- 0345US2007086311A1Photodetector circuit, method for deriving laser light emission amount control signal, optical pickup device, and optical disk apparatusHIGASHIYAMA YASUSHI·Filed 2006·Application pending·0 cites
- 0445US2007035801A1Light receiving element circuit and optical disk deviceHIGASHIYAMA YASUSHI·Filed 2006·Application pending·0 cites
- 0544US5276565ARotary type magnetic recording and reproduction apparatusTOSHIBA KK·Filed 1990·Granted Jan 4, 1994·8 cites·14 claims
- 0644US2006077798A1Optical disk apparatus and photodetection signal processing methodTOSHIBA KK·Filed 2005·Application pending·0 cites
- 0737US5532887AMagnetic recording and reproduction apparatusTOSHIBA KK·Filed 1993·Granted Jul 2, 1996·4 cites·36 claims
- 0837US2006198264A1Optical disk device and optical disk determination methodUENO MASASHI·Filed 2006·Application pending·0 cites
- 0931US5434720AMagnetic recording and reproduction apparatus with plural headsTOSHIBA KK·Filed 1992·Granted Jul 18, 1995·2 cites·15 claims
- 1025US5784217AMagnetic recording and reproduction apparatus with selectively-enabled rotary headsTOSHIBA KK·Filed 1995·Granted Jul 21, 1998·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →