Inventor · disambiguated record
Daisuke Koreeda
Also filed as: KOREEDA DAISUKE
51 granted patents·5 pending applications·309 citations·filing 1999–2016
98Inventor score
Top patents by PatentIndex Score
56 records- 0194US6396627B1Stereoscopic microscope including zoom and relay optical systemsASAHI OPTICAL CO LTD·Filed 2000·Granted May 28, 2002·76 cites·12 claims
- 0290US7035193B2Objective lens for optical discPENTAX CORP·Filed 2005·Granted Apr 25, 2006·11 cites·18 claims
- 0387US6384968B1Microscope with illuminating optical systemASAHI KOGAKU KK·Filed 2000·Granted May 7, 2002·31 cites·10 claims
- 0486US9664881B2Imaging optical systemHOYA CORP·Filed 2015·Granted May 30, 2017·5 cites·11 claims
- 0582US7738345B2Optical disc drive and objective lens for the sameHOYA CORP·Filed 2006·Granted Jun 15, 2010·5 cites·18 claims
- 0681US6982838B2Objective lens for optical pick-upPENTAX CORP·Filed 2004·Granted Jan 3, 2006·15 cites·13 claims
- 0781US6522476B2Three-group zoom lensPENTAX CORP·Filed 2001·Granted Feb 18, 2003·23 cites·17 claims
- 0880US7839752B2Optical disc drive and objective lens for the sameHOYA CORP·Filed 2006·Granted Nov 23, 2010·4 cites·42 claims
- 0980US7430159B2Optical pick-up and objective lens for use with different types of optical discsHOYA CORP·Filed 2005·Granted Sep 30, 2008·4 cites·18 claims
- 1078US7742370B2Objective lens and optical information read/write deviceHOYA CORP·Filed 2006·Granted Jun 22, 2010·3 cites·47 claims
- 1176US6822800B2Objective lens for optical pickupPENTAX CORP·Filed 2003·Granted Nov 23, 2004·11 cites·18 claims
- 1276US6731419B2Scanning optical systemPENTAX CORP·Filed 2002·Granted May 4, 2004·17 cites·16 claims
- 1374US6734890B2Scanning optical systemPENTAX CORP·Filed 2002·Granted May 11, 2004·15 cites·9 claims
- 1473US8279738B2Objective lens and optical information recording/reproducing device having the sameINOUE SATOSHI·Filed 2008·Granted Oct 2, 2012·2 cites·13 claims
- 1573US7843792B2Optical information recording /reproducing device and objective lens for the sameHOYA CORP·Filed 2007·Granted Nov 30, 2010·2 cites·21 claims
- 1670US8514686B2Optical information recording/reproducing apparatus and objective optical system for the sameKOREEDA DAISUKE·Filed 2011·Granted Aug 20, 2013·2 cites·28 claims
- 1770US8068401B2Objective optical system and optical information recording/reproducing device having the sameKOREEDA DAISUKE·Filed 2009·Granted Nov 29, 2011·2 cites·20 claims
- 1869US7239598B2Objective lens for optical pick-upPENTAX CORP·Filed 2004·Granted Jul 3, 2007·7 cites·17 claims
- 1968US7778139B2Optical information recording/reproducing device and objective lens for the sameHOYA CORP·Filed 2007·Granted Aug 17, 2010·1 cites·14 claims
- 2066US6771406B2Scanning optical systemPENTAX CORP·Filed 2002·Granted Aug 3, 2004·8 cites·10 claims
- 2165US7038862B2Objective lens for optical pick-upPENTAX CORP·Filed 2004·Granted May 2, 2006·9 cites·21 claims
- 2264US7042608B2Scanning optical systemPENTAX CORP·Filed 2003·Granted May 9, 2006·8 cites·23 claims
- 2362US6790389B2Complex lens for a tandem scanning optical system and a manufacturing method thereofPENTAX CORP·Filed 2001·Granted Sep 14, 2004·6 cites·5 claims
- 2461US8072694B2Objective lensKOREEDA DAISUKE·Filed 2008·Granted Dec 6, 2011·0 cites·20 claims
- 2561US6956686B2Scanning optical systemPENTAX CORP·Filed 2002·Granted Oct 18, 2005·8 cites·12 claims
- 2661US6906824B1Tandem type printer scanning optical system having diffraction lens structurePENTAX CORP·Filed 2000·Granted Jun 14, 2005·7 cites·4 claims
- 2759US7019768B2Scanning optical systemPENTAX CORP·Filed 2003·Granted Mar 28, 2006·6 cites·19 claims
- 2858US6900949B2Optical system of optical pick-upPENTAX CORP·Filed 2004·Granted May 31, 2005·3 cites·19 claims
- 2957US6937374B2Scanning optical systemPENTAX CORP·Filed 2004·Granted Aug 30, 2005·4 cites·16 claims
- 3057US6777667B2Scanning optical systemPENTAX CORP·Filed 2001·Granted Aug 17, 2004·2 cites·13 claims
- 3156US8699312B2Optical information recording/reproducing apparatus and objective optical system for the sameHOYA CORP·Filed 2013·Granted Apr 15, 2014·0 cites·19 claims
- 3254US7990831B2Optical pickup deviceHOYA CORP·Filed 2008·Granted Aug 2, 2011·0 cites·13 claims
- 3354US7813252B2Optical pick-upHOYA CORP·Filed 2008·Granted Oct 12, 2010·0 cites·17 claims
- 3453US7830772B2Objective optical system and optical information recording/reproducing device having the sameHOYA CORP·Filed 2008·Granted Nov 9, 2010·0 cites·33 claims
- 3552US7872958B2Optical information recording/reproducing device, optical element for the same, and design method of the sameHOYA CORP·Filed 2007·Granted Jan 18, 2011·0 cites·13 claims
- 3652US2008130465A1Objective Optical System and Optical Information Recording/Reproducing Device Having the SamePENTAX CORP·Filed 2007·Application pending·0 cites
- 3752US2009080319A1Objective optical system and optical information recording/reproducing device having the sameHOYA CORP·Filed 2008·Application pending·0 cites
- 3850US7224662B2Objective lens for optical pickupPENTAX CORP·Filed 2003·Granted May 29, 2007·1 cites·9 claims
- 3949US8705331B2Optical element and objective lens through which a plurality of light beams having different design wavelengths passMARUYAMA KOICHI·Filed 2011·Granted Apr 22, 2014·0 cites·25 claims
- 4049US7023596B2Scanning optical systemPENTAX CORP·Filed 2003·Granted Apr 4, 2006·2 cites·17 claims
- 4149US6977781B2Scanning optical systemPENTAX CORP·Filed 2003·Granted Dec 20, 2005·2 cites·20 claims
- 4249US6667821B2Two-wavelength compatible scanning lensPENTAX CORP·Filed 2002·Granted Dec 23, 2003·2 cites·4 claims
- 4348US7839751B2Objective lens and optical system for optical pick-upHOYA CORP·Filed 2006·Granted Nov 23, 2010·0 cites·19 claims
- 4448US7075691B2Complex lens for a tandem scanning optical system and a manufacturing method thereofPENTAX CORP·Filed 2004·Granted Jul 11, 2006·1 cites·4 claims
- 4547US7414948B2Objective lensHOYA CORP·Filed 2004·Granted Aug 19, 2008·0 cites·15 claims
- 4646US7821906B2Objective lens for optical pick-upHOYA CORP·Filed 2005·Granted Oct 26, 2010·0 cites·12 claims
- 4745US8941925B2Zoom lens systemHOYA CORP·Filed 2013·Granted Jan 27, 2015·0 cites·14 claims
- 4845US7280276B2Objective lensPENTAX CORP·Filed 2004·Granted Oct 9, 2007·0 cites·11 claims
- 4944US9581794B2Zoom lens systemHOYA CORP·Filed 2016·Granted Feb 28, 2017·0 cites·11 claims
- 5044US7433291B2Objective lensHOYA CORP·Filed 2004·Granted Oct 7, 2008·0 cites·14 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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