Inventor · disambiguated record
Sou Ishika
Also filed as: ISHIKA SOU
10 granted patents·3 pending applications·103 citations·filing 1989–2004
89Inventor score
Technology areasG11B
Files withTOSHIBA KK13
Top patents by PatentIndex Score
13 records- 0179US5105407AOptical information-processing apparatusTOSHIBA KK·Filed 1990·Granted Apr 14, 1992·31 cites·8 claims
- 0270US5719835ALight detecting device for receiving light from corresponding portions of a recording mediumTOSHIBA KK·Filed 1996·Granted Feb 17, 1998·23 cites·11 claims
- 0366US5105411AApparatus for detecting and correcting focusing and tracking errorsTOSHIBA KK·Filed 1989·Granted Apr 14, 1992·15 cites·18 claims
- 0453US6956192B2Optical head and optical disk driveTOSHIBA KK·Filed 2004·Granted Oct 18, 2005·2 cites·7 claims
- 0551US5132959AOptical head in use with an optical recording/reproducing apparatusTOSHIBA KK·Filed 1990·Granted Jul 21, 1992·9 cites·10 claims
- 0650US5345432AOptical headTOSHIBA KK·Filed 1993·Granted Sep 6, 1994·8 cites·4 claims
- 0744US5153864AFocusing detection optical path for an optical information processing systemTOSHIBA KK·Filed 1990·Granted Oct 6, 1992·6 cites·18 claims
- 0842US5357102ATilted light detection device for preventing undesirable retro-reflectionTOSHIBA KK·Filed 1993·Granted Oct 18, 1994·5 cites·10 claims
- 0941US2005117486A1Optical pickup unit and optical disk unitTOSHIBA KK·Filed 2004·Application pending·0 cites
- 1041US2005007932A1Optical head, optical disk drive, and optical system adjustment methodTOSHIBA KK·Filed 2004·Application pending·0 cites
- 1138US2003142605A1Optical head device and optical disk deviceTOSHIBA KK·Filed 2002·Application pending·0 cites
- 1234US5218524AOptical disk apparatusTOSHIBA KK·Filed 1991·Granted Jun 8, 1993·2 cites·6 claims
- 1333US5559783AAn optical head having a rotating mirrorTOSHIBA KK·Filed 1994·Granted Sep 24, 1996·2 cites·48 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →