Inventor · disambiguated record
Suguru Takishima
Also filed as: TAKISHIMA SUGURU
61 granted patents·3 pending applications·713 citations·filing 1989–2010
99Inventor score
Files withASAHI OPTICAL CO LTD47PENTAX CORP11INOUE SATOSHI3ASHAI KOGAKU KOGYO KABUSHIKI K1HOYA CORP1
Top patents by PatentIndex Score
64 records- 0192US5768241AShutter operating mechanism for magneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1994·Granted Jun 16, 1998·39 cites·14 claims
- 0286US5701216AShutter mechanism for disk drive cartridge insertion openingASAHI OPTICAL CO LTD·Filed 1996·Granted Dec 23, 1997·50 cites·23 claims
- 0384US6411583B1Shutter mechanism for disk drive deviceASAHI OPTICAL CO LTD·Filed 1997·Granted Jun 25, 2002·42 cites·24 claims
- 0483US6327066B2Rotation detecting system for galvano mirrorASAHI OPTICAL CO LTD·Filed 2001·Granted Dec 4, 2001·16 cites·14 claims
- 0581US6324141B2Optical system for optical disc driveASAHI OPTICAL CO LTD·Filed 2001·Granted Nov 27, 2001·15 cites·2 claims
- 0681US4956833AObjective driving device for an optical disk apparatusASAHI OPTICAL CO LTD·Filed 1989·Granted Sep 11, 1990·28 cites·22 claims
- 0780US5278401AOptical disc apparatus having five light receiving areas for detecting focus error and tracking errorASAHI OPTICAL CO LTD·Filed 1992·Granted Jan 11, 1994·29 cites·11 claims
- 0879US6667943B1Optical disc apparatusPENTAX CORP·Filed 2000·Granted Dec 23, 2003·15 cites·2 claims
- 0976USD603438SLensPENTAX CORP·Filed 2008·Granted Nov 3, 2009·20 cites·1 claims
- 1076US5477386AOptical system for optical disc apparatus including anamorphic prismsASAHI OPTICAL CO LTD·Filed 1992·Granted Dec 19, 1995·24 cites·21 claims
- 1175US6404485B1Rotation amount detecting system of deflection mirror for optical disc driveASAHI OPTICAL CO LTD·Filed 2000·Granted Jun 11, 2002·10 cites·17 claims
- 1273US5959956ALoading drive mechanism for disk driveASAHI OPTICAL CO LTD·Filed 1996·Granted Sep 28, 1999·24 cites·27 claims
- 1372USD599390SLensPENTAX CORP·Filed 2008·Granted Sep 1, 2009·17 cites·1 claims
- 1469US5321678AOptical head carriage, tracking mechanism and displacement detecting mechanismASAHI OPTICAL CO LTD·Filed 1992·Granted Jun 14, 1994·19 cites·16 claims
- 1569US5078471AOptical headASAHI OPTICAL CO LTD·Filed 1990·Granted Jan 7, 1992·18 cites·7 claims
- 1668US5920140AGalvano mirror unitASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 6, 1999·31 cites·20 claims
- 1765US6430113B1Magnetic head up/down mechanism for magneto-optical disc driveASHAI KOGAKU KOGYO KABUSHIKI K·Filed 2000·Granted Aug 6, 2002·6 cites·16 claims
- 1865US5309423AMagneto-optical reproducing device with optical system having two reflective elements and providing phase difference cancellationASAHI OPTICAL CO LTD·Filed 1992·Granted May 3, 1994·15 cites·6 claims
- 1963US5933291AMagnetic head carriage locking system for magneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1998·Granted Aug 3, 1999·10 cites·5 claims
- 2063US5600494AObjective lens system of an optical disk deviceASAHI OPTICAL CO LTD·Filed 1995·Granted Feb 4, 1997·16 cites·11 claims
- 2163US5337300ASignal sensing device of magneto-optic disk device for detecting error signal and information record signals with common photo sensorASAHI OPTICAL CO LTD·Filed 1992·Granted Aug 9, 1994·14 cites·22 claims
- 2263US5257145AOptical data recording and reproducing apparatusASAHI OPTICAL CO LTD·Filed 1992·Granted Oct 26, 1993·26 cites·16 claims
- 2362US6285484B1Rotation detecting system for galvano mirrorASAHI OPTICAL CO LTD·Filed 2000·Granted Sep 4, 2001·4 cites·9 claims
- 2462US5587973AMagneto-optical disk drive system with magnetic head retracting mechanism and manual cartridge ejecting mechanismASAHI OPTICAL CO LTD·Filed 1995·Granted Dec 24, 1996·14 cites·6 claims
- 2562US5408455AControl device for head unit having optical head and multiple magnetic headsASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 18, 1995·10 cites·18 claims
- 2659US5905696AMagneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1998·Granted May 18, 1999·8 cites·13 claims
- 2758US6344917B1Galvano mirror unitASAHI OPTICAL CO LTD·Filed 2000·Granted Feb 5, 2002·3 cites·13 claims
- 2858US5416753AMagneto-optical disk drive system with head position adjustabilityASAHI OPTICAL CO LTD·Filed 1993·Granted May 16, 1995·11 cites·22 claims
- 2958US5103345AOptical headASAHI OPTICAL CO LTD·Filed 1990·Granted Apr 7, 1992·11 cites·9 claims
- 3057US6341106B1Optical disc driveASAHI OPTICAL CO LTD·Filed 1998·Granted Jan 22, 2002·13 cites·8 claims
- 3157US5617387AOptical system for optical information recording/reproducing apparatusASAHI OPTICAL CO LTD·Filed 1991·Granted Apr 1, 1997·11 cites·9 claims
- 3256US5592447AControl device for head unit having optical head and multiple magnetic headsASAHI OPTICAL CO LTD·Filed 1995·Granted Jan 7, 1997·9 cites·3 claims
- 3355US6249500B1Disk loading system for a magneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1998·Granted Jun 19, 2001·7 cites·17 claims
- 3455US6018393AEvaluating system for a dual focus lensASAHI OPTICAL CO LTD·Filed 1997·Granted Jan 25, 2000·18 cites·14 claims
- 3554USD600729SLensPENTAX CORP·Filed 2008·Granted Sep 22, 2009·8 cites·1 claims
- 3653US6278682B1Optical system for optical disc driveASAHI OPTICAL CO LTD·Filed 1998·Granted Aug 21, 2001·10 cites·17 claims
- 3751US6333910B1Optical system for optical disc driveASAHI OPTICAL CO LTD·Filed 1998·Granted Dec 25, 2001·9 cites·9 claims
- 3850US5577008AMagneto-optical disk drive systemASAHI OPTICAL CO LTD·Filed 1995·Granted Nov 19, 1996·8 cites·19 claims
- 3950US2007147196A1Optical information processing devicePENTAX CORP·Filed 2006·Application pending·0 cites
- 4049US5608709ABeam splitter arrangement for magneto-optical recording deviceASAHI OPTICAL CO LTD·Filed 1994·Granted Mar 4, 1997·7 cites·10 claims
- 4148US5434835AOptical disk apparatusASAHI OPTICAL CO LTD·Filed 1993·Granted Jul 18, 1995·7 cites·12 claims
- 4247US7990814B2Optical disk driveHOYA CORP·Filed 2007·Granted Aug 2, 2011·0 cites·6 claims
- 4347US6407975B1Optical disk driveASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 18, 2002·7 cites·10 claims
- 4447US6376953B1Galvano mirror unitASAHI OPTICAL CO LTD·Filed 2000·Granted Apr 23, 2002·1 cites·8 claims
- 4547US6292447B1Head for optical disc driveASAHI OPTICAL CO LTD·Filed 1998·Granted Sep 18, 2001·7 cites·12 claims
- 4646US2008074976A1Optical pick-upPENTAX CORP·Filed 2007·Application pending·0 cites
- 4744US8305865B2Optical information recording/reproducing optical system and optical information recording/reproducing apparatusINOUE SATOSHI·Filed 2010·Granted Nov 6, 2012·0 cites·16 claims
- 4844US7289400B2Optical disc drive having a movable aberration correcting lensPENTAX CORP·Filed 2003·Granted Oct 30, 2007·0 cites·20 claims
- 4944US6922839B2Cartridge for protecting optical recording mediaPENTAX CORP·Filed 2003·Granted Jul 26, 2005·0 cites·27 claims
- 5044US5970037AMagneto-optical disk apparatusASAHI OPTICAL CO LTD·Filed 1996·Granted Oct 19, 1999·6 cites·31 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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