Inventor · disambiguated record
Isao Okuda
Also filed as: OKUDA ISAO
56 granted patents·3 pending applications·841 citations·filing 1989–2014
99Inventor score
Top patents by PatentIndex Score
59 records- 0198US8718458B2Imaging unitOKUDA ISAO·Filed 2011·Granted May 6, 2014·114 cites·9 claims
- 0294US6665129B2Lens barrel and a zoom lens barrelPENTAX CORP·Filed 2002·Granted Dec 16, 2003·71 cites·28 claims
- 0392US5768241AShutter operating mechanism for magneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1994·Granted Jun 16, 1998·39 cites·14 claims
- 0490US8120693B2Imaging unit and mobile electronic deviceNOMURA HIROSHI·Filed 2008·Granted Feb 21, 2012·14 cites·6 claims
- 0589US8483556B2Imaging unitOKUDA ISAO·Filed 2011·Granted Jul 9, 2013·6 cites·8 claims
- 0689US6956615B2Structure for mounting a solid-state imaging devicePENTAX CORP·Filed 2001·Granted Oct 18, 2005·39 cites·18 claims
- 0786US8107004B2Imaging deviceNOMURA HIROSHI·Filed 2008·Granted Jan 31, 2012·10 cites·11 claims
- 0882US5297114AMagneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelengthASAHI OPTICAL CO LTD·Filed 1991·Granted Mar 22, 1994·35 cites·7 claims
- 0981US7099088B2Lens drive mechanismPENTAX CORP·Filed 2005·Granted Aug 29, 2006·10 cites·18 claims
- 1081US4956833AObjective driving device for an optical disk apparatusASAHI OPTICAL CO LTD·Filed 1989·Granted Sep 11, 1990·28 cites·22 claims
- 1180US5278401AOptical 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
- 1279US5317144AWave front aberration measuring apparatus having means for adjusting position of collimator lensASAHI OPTICAL CO LTD·Filed 1992·Granted May 31, 1994·20 cites·11 claims
- 1378US6643074B2Lens barrelPENTAX CORP·Filed 2003·Granted Nov 4, 2003·15 cites·12 claims
- 1477US6636362B2Lens barrelPENTAX CORP·Filed 2002·Granted Oct 21, 2003·15 cites·12 claims
- 1576US8554069B2Imaging unitOKUDA ISAO·Filed 2011·Granted Oct 8, 2013·2 cites·8 claims
- 1676US6853500B2Retracting mechanism of a zoom lens barrelPENTAX CORP·Filed 2004·Granted Feb 8, 2005·17 cites·7 claims
- 1776US6819502B2Structure of a zoom lens barrelPENTAX CORP·Filed 2004·Granted Nov 16, 2004·17 cites·10 claims
- 1876US5477386AOptical system for optical disc apparatus including anamorphic prismsASAHI OPTICAL CO LTD·Filed 1992·Granted Dec 19, 1995·24 cites·21 claims
- 1974US6624955B2Lens barrelPENTAX CORP·Filed 2003·Granted Sep 23, 2003·12 cites·5 claims
- 2071US6519096B2Lens barrelPENTAX CORP·Filed 2002·Granted Feb 11, 2003·13 cites·27 claims
- 2170US7088524B2Lens barrel having a lens barrier mechanismPENTAX CORP·Filed 2004·Granted Aug 8, 2006·10 cites·15 claims
- 2269US5321678AOptical head carriage, tracking mechanism and displacement detecting mechanismASAHI OPTICAL CO LTD·Filed 1992·Granted Jun 14, 1994·19 cites·16 claims
- 2367US8098320B2Imaging deviceNOMURA HIROSHI·Filed 2008·Granted Jan 17, 2012·2 cites·10 claims
- 2467US6963455B2Lens barrelPENTAX CORP·Filed 2004·Granted Nov 8, 2005·10 cites·16 claims
- 2566US7212352B2Cam mechanism of a lens barrelPENTAX CORP·Filed 2005·Granted May 1, 2007·4 cites·17 claims
- 2665US6954314B2Cam mechanism of a lens barrelPENTAX CORP·Filed 2004·Granted Oct 11, 2005·9 cites·17 claims
- 2765US5309423AMagneto-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
- 2864US6930719B2Lens unit structure for SLR digital cameraPENTAX CORP·Filed 2001·Granted Aug 16, 2005·6 cites·10 claims
- 2964US6919995B2Light shielding structure of a retractable lens barrelPENTAX CORP·Filed 2004·Granted Jul 19, 2005·8 cites·11 claims
- 3064US6661579B2Beam splitting for camera using a multilayer filmPENTAX CORP·Filed 2001·Granted Dec 9, 2003·9 cites·7 claims
- 3163US9063392B2Imaging unitOKUDA ISAO·Filed 2012·Granted Jun 23, 2015·1 cites·13 claims
- 3263US5933291AMagnetic head carriage locking system for magneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1998·Granted Aug 3, 1999·10 cites·5 claims
- 3363US5257145AOptical data recording and reproducing apparatusASAHI OPTICAL CO LTD·Filed 1992·Granted Oct 26, 1993·26 cites·16 claims
- 3462US6466743B2Real image type finderASAHI OPTICAL CO LTD·Filed 2001·Granted Oct 15, 2002·5 cites·20 claims
- 3562US5587973AMagneto-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
- 3661US6888685B2Retracting mechanism of a zoom lens barrelPENTAX CORP·Filed 2004·Granted May 3, 2005·7 cites·9 claims
- 3759US6788475B2Lens barrel having a lens barrier mechanismPENTAX CORP·Filed 2002·Granted Sep 7, 2004·5 cites·20 claims
- 3859US5905696AMagneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1998·Granted May 18, 1999·8 cites·13 claims
- 3958US5416753AMagneto-optical disk drive system with head position adjustabilityASAHI OPTICAL CO LTD·Filed 1993·Granted May 16, 1995·11 cites·22 claims
- 4057US5617387AOptical system for optical information recording/reproducing apparatusASAHI OPTICAL CO LTD·Filed 1991·Granted Apr 1, 1997·11 cites·9 claims
- 4157US5373437ADevice for and method of reducing cross talk in optical disk deviceASAHI OPTICAL CO LTD·Filed 1991·Granted Dec 13, 1994·11 cites·17 claims
- 4256US5280464AOptical disk apparatus having a focusing error correcting systemASAHI OPTICAL CO LTD·Filed 1991·Granted Jan 18, 1994·10 cites·4 claims
- 4355US6249500B1Disk loading system for a magneto-optical disk driveASAHI OPTICAL CO LTD·Filed 1998·Granted Jun 19, 2001·7 cites·17 claims
- 4454US2012075518A1Imaging unitOKUDA ISAO·Filed 2011·Application pending·0 cites
- 4553US5883709AInclination monitoring system including reflection of collimated lightASAHI OPTICAL CO LTD·Filed 1997·Granted Mar 16, 1999·16 cites·10 claims
- 4651US2009051804A1Imaging deviceHOYA CORP·Filed 2008·Application pending·0 cites
- 4750US9307126B2Imaging apparatus having bending optical elementHOYA CORP·Filed 2014·Granted Apr 5, 2016·0 cites·7 claims
- 4850US5894370AInclination monitoring systemASAHI OPTICAL CO LTD·Filed 1997·Granted Apr 13, 1999·14 cites·12 claims
- 4950US5805363ACollimating lens unitASAHI OPTICAL CO LTD·Filed 1997·Granted Sep 8, 1998·14 cites·20 claims
- 5050US5577008AMagneto-optical disk drive systemASAHI OPTICAL CO LTD·Filed 1995·Granted Nov 19, 1996·8 cites·19 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →