Inventor · disambiguated record
Takashi Iizuka
Also filed as: IIZUKA TAKASHI
131 granted patents·20 pending applications·1,877 citations·filing 1979–2023
99Inventor score
Top patents by PatentIndex Score
151 records- 0195US6113240AReflection type projectorASAHI OPTICAL CO LTD·Filed 1999·Granted Sep 5, 2000·60 cites·11 claims
- 0293US6538247B2Method of detecting arrangement of beam spotsPENTAX CORP·Filed 2001·Granted Mar 25, 2003·60 cites·12 claims
- 0391US5052033AReflection type maskCANON KK·Filed 1990·Granted Sep 24, 1991·75 cites·30 claims
- 0488US5433988AMulti-layer reflection mirror for soft X-ray to vacuum ultraviolet rayCANON KK·Filed 1994·Granted Jul 18, 1995·80 cites·11 claims
- 0586US8372918B2Nitrile group-containing highly saturated copolymer rubberZEON CORP·Filed 2010·Granted Feb 12, 2013·5 cites·8 claims
- 0686US5310603AMulti-layer reflection mirror for soft X-ray to vacuum ultraviolet rayCANON KK·Filed 1993·Granted May 10, 1994·66 cites·31 claims
- 0784US6264333B1Reflection type projectorASAHI OPTICAL CO LTD·Filed 1999·Granted Jul 24, 2001·22 cites·12 claims
- 0882US8187695B2Shaping sheet, resin decorative material and method of producing the sameIIZUKA TAKASHI·Filed 2006·Granted May 29, 2012·6 cites·16 claims
- 0982US6473233B1Multi-beam optical systemASAHI OPTICAL CO LTD·Filed 2000·Granted Oct 29, 2002·25 cites·9 claims
- 1081US6493126B1Scanning lens and scanning optical systemPENTAX CORP·Filed 2000·Granted Dec 10, 2002·22 cites·10 claims
- 1180US5204887AX-ray microscopeCANON KK·Filed 1992·Granted Apr 20, 1993·49 cites·47 claims
- 1279US6219169B1Beam shape compensation optical systemASAHI OPTICAL CO LTD·Filed 2000·Granted Apr 17, 2001·21 cites·13 claims
- 1378US5648865AScanning optical systemASAHI OPTICAL CO LTD·Filed 1994·Granted Jul 15, 1997·45 cites·20 claims
- 1478US5412510AImaging optical system for compensating change of temperatureASAHI OPTICAL CO LTD·Filed 1992·Granted May 2, 1995·46 cites·28 claims
- 1577US5464516AProcess for producing an electrophoresis separation layerHYMO CORP·Filed 1994·Granted Nov 7, 1995·46 cites·9 claims
- 1677US5220450AScanning optical system capable of automatic focusingASAHI OPTICAL CO LTD·Filed 1992·Granted Jun 15, 1993·43 cites·16 claims
- 1776US5283599AApparatus for combining and projecting imagesASAHI OPTICAL CO LTD·Filed 1992·Granted Feb 1, 1994·40 cites·14 claims
- 1875US5828479ACascade scanning optical systemASAHI OPTICAL CO LTD·Filed 1997·Granted Oct 27, 1998·33 cites·9 claims
- 1974US9982065B2Method of production of conjugated diene rubberZEON CORP·Filed 2015·Granted May 29, 2018·1 cites·9 claims
- 2074US9259908B2Shaping sheet, resin decorative plate and method for manufacturing the sameIIZUKA TAKASHI·Filed 2012·Granted Feb 16, 2016·2 cites·21 claims
- 2174US5646767AScanning optical systemASAHI OPTICAL CO LTD·Filed 1994·Granted Jul 8, 1997·39 cites·35 claims
- 2273US5278698AMagnifying projecting lensASAHI OPTICAL CO LTD·Filed 1993·Granted Jan 11, 1994·37 cites·33 claims
- 2373US5189546AScanning optical system with offset lens componentASAHI OPTICAL CO LTD·Filed 1991·Granted Feb 23, 1993·36 cites·9 claims
- 2472US5677798AImage forming lens systemASAHI OPTICAL CO LTD·Filed 1994·Granted Oct 14, 1997·36 cites·26 claims
- 2571US5798784ALaser drawing apparatus featuring a beam separator supported by an adjusting means swingable about a rotating shaftASAHI OPTICAL CO LTD·Filed 1996·Granted Aug 25, 1998·31 cites·24 claims
- 2671US5737112AScanning optical systemsASAHI OPTICAL CO LTD·Filed 1995·Granted Apr 7, 1998·25 cites·23 claims
- 2771US2025304777A1Rubber composition, rubber crosslinked product, tire, and rubber crosslinked product manufacturing methodZEON CORP·Filed 2023·Application pending·0 cites
- 2870US10614276B2Profile information exchange systemMIMIWORKS CO LTD·Filed 2017·Granted Apr 7, 2020·2 cites·14 claims
- 2970US5251069AImaging lens systemASAHI OPTICAL CO LTD·Filed 1993·Granted Oct 5, 1993·31 cites·16 claims
- 3070US5200850AAnamorphic optical systemASAHI OPTICAL CO LTD·Filed 1992·Granted Apr 6, 1993·31 cites·6 claims
- 3170US5046795AApparatus for producing a distortion-free two-dimensional image of a scanned objectASAHI OPTICAL CO LTD·Filed 1988·Granted Sep 10, 1991·22 cites·4 claims
- 3269US8042945B2Multifocal intraocular lens simulator and method of simulating multifocal intraocular lensHOYA CORP·Filed 2010·Granted Oct 25, 2011·4 cites·31 claims
- 3369US6288831B1Laser modulating optical systemASAHI OPTICAL CO LTD·Filed 2000·Granted Sep 11, 2001·11 cites·7 claims
- 3469US5892611ALaser drawing apparatusASAHI OPTICAL CO LTD·Filed 1994·Granted Apr 6, 1999·26 cites·11 claims
- 3569US5179398AProjector and image adjustment methodASAHI OPTICAL CO LTD·Filed 1991·Granted Jan 12, 1993·28 cites·10 claims
- 3667US6697068B2Game screen display control method and character movement control methodSEGA CORP·Filed 2002·Granted Feb 24, 2004·11 cites·15 claims
- 3767US5541760AScanning optical systemASAHI OPTICAL CO LTD·Filed 1994·Granted Jul 30, 1996·28 cites·12 claims
- 3866US6771406B2Scanning optical systemPENTAX CORP·Filed 2002·Granted Aug 3, 2004·8 cites·10 claims
- 3966US6115146AScanning-type image reading deviceASAHI OPTICAL CO LTD·Filed 1997·Granted Sep 5, 2000·34 cites·17 claims
- 4066US5790275AScanning optical systemASAHI OPTICAL CO LTD·Filed 1996·Granted Aug 4, 1998·32 cites·21 claims
- 4166US5745296AMultibeam recording deviceASAHI OPTICAL CO LTD·Filed 1996·Granted Apr 28, 1998·28 cites·37 claims
- 4265US12188872B2Adhesion interface observation methodSUBARU CORP·Filed 2022·Granted Jan 7, 2025·0 cites·4 claims
- 4365US9868794B2Method for producing conjugated diene rubberZEON CORP·Filed 2013·Granted Jan 16, 2018·1 cites·13 claims
- 4465US5909300AScanning apparatus having a cascade scanning optical systemASAHI OPTICAL CO LTD·Filed 1997·Granted Jun 1, 1999·30 cites·10 claims
- 4565US4998790AOptical scanning apparatusASAHI OPTICAL CO LTD·Filed 1990·Granted Mar 12, 1991·26 cites·11 claims
- 4664US6469831B2Multibeam optical systemASAHI OPTICAL CO LTD·Filed 2001·Granted Oct 22, 2002·8 cites·8 claims
- 4764US6104521AScanning optical systemsASAHI OPTICAL CO LTD·Filed 1998·Granted Aug 15, 2000·19 cites·7 claims
- 4864US4981352AProjection display deviceASAHI OPTICAL CO LTD·Filed 1989·Granted Jan 1, 1991·22 cites·22 claims
- 4963US4293868ASemiconductor device, method of manufacturing the same and application thereofHITACHI LTD·Filed 1979·Granted Oct 6, 1981·19 cites·12 claims
- 5062US6561909B1Game in which telephone signals act as semaphores signaling game movesSEGA ENTERPRISES KK·Filed 2000·Granted May 13, 2003·6 cites·20 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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