Inventor · disambiguated record
Michiko Takushima
Also filed as: TAKUSHIMA MICHIKO
27 granted patents·6 pending applications·130 citations·filing 1999–2013
95Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES25IYODA YOSHITOMO2GENESIA CORP1KATAYAMA MAKOTO1SUMITOMO ELECTRIC INDUTRIES LT1
Top patents by PatentIndex Score
33 records- 0179US6487340B2Optical fiber grating element, production method, and optical fiber filterSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Nov 26, 2002·21 cites·11 claims
- 0271US6522810B2Optical loss filterSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Feb 18, 2003·12 cites·11 claims
- 0369US9083141B2Optical component, optical fiber amplifier, and optical fiber ring resonatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Jul 14, 2015·2 cites·10 claims
- 0468US7062120B2Optical device and movable reflectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jun 13, 2006·11 cites·8 claims
- 0566US6337937B1Optical filter and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jan 8, 2002·29 cites·8 claims
- 0665US6665472B2Optical filter having cascaded long-period gratingsSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Dec 16, 2003·9 cites·4 claims
- 0762US7277607B2Optical multiplexer/demultiplexer, optical device, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Oct 2, 2007·3 cites·8 claims
- 0862US6810170B2Optical signal processorSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Oct 26, 2004·7 cites·21 claims
- 0961US7081982B2Movable mirror device and dispersion compensatorSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jul 25, 2006·6 cites·38 claims
- 1061US6825981B2Optical signal processorSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Nov 30, 2004·7 cites·14 claims
- 1160US8403491B2Optical combiner and image projector using the optical combinerIYODA YOSHITOMO·Filed 2010·Granted Mar 26, 2013·1 cites·4 claims
- 1258US8098435B2Optical combiner and image projector using the optical combinerIYODA YOSHITOMO·Filed 2010·Granted Jan 17, 2012·1 cites·4 claims
- 1358US7272278B2Optical multiplexer/demultiplexerSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Sep 18, 2007·2 cites·17 claims
- 1457US9366876B2Lens component and image display deviceTAKUSHIMA MICHIKO·Filed 2012·Granted Jun 14, 2016·1 cites·9 claims
- 1557US7521660B2Optical signal processor and optical signal processing method for processing optical signals in optical communications systemsSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Apr 21, 2009·2 cites·71 claims
- 1657US6823106B2Optical multiplexer/demultiplexer and adjustment method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Nov 23, 2004·5 cites·20 claims
- 1754US7457497B2Optical multiplexer/demultiplexer and optical communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Nov 25, 2008·1 cites·17 claims
- 1850US6996309B2Optical signal processorGENESIA CORP·Filed 2004·Granted Feb 7, 2006·4 cites·13 claims
- 1949US7106924B2Optical switching device and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Sep 12, 2006·2 cites·9 claims
- 2048US6983089B2Method of fabricating optical signal processorSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jan 3, 2006·2 cites·12 claims
- 2147US7161739B2Optical system, optical device including the same, and optical device designing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jan 9, 2007·2 cites·19 claims
- 2243US2008037925A1DGD compensating apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Application pending·0 cites
- 2342US6927913B2Optical signal processing apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Aug 9, 2005·0 cites·25 claims
- 2441US7068877B2Movable mirror device, dispersion compensator, gain equalizer, and optical ADM apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jun 27, 2006·0 cites·12 claims
- 2540US7016570B2Optical signal processorSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Mar 21, 2006·0 cites·10 claims
- 2640US2004080823A1Optical elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Application pending·0 cites
- 2740US2004136073A1Transmitted type diffractive optical elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Application pending·0 cites
- 2839US6823114B2Optical signal processing apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Nov 23, 2004·0 cites·15 claims
- 2939US2011128470A1Light distribution control panel, display device for mounting on mobile unit, light distribution control sheet, optical component, lighting device, and display deviceYORITA JUN·Filed 2009·Application pending·0 cites
- 3038US6785444B2Optical fiber grating deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Aug 31, 2004·0 cites·5 claims
- 3138US2002181105A1Long period grating and making method of the sameFiled 2002·Application pending·0 cites
- 3237US7277613B2Optical multiplexer/demultiplexer, optical communication system and method of manufacturing the optical multiplexer/demultiplexerSUMITOMO ELECTRIC INDUTRIES LT·Filed 2005·Granted Oct 2, 2007·0 cites·24 claims
- 3335US2006045526A1Optical communication systemKATAYAMA MAKOTO·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Michiko Takushima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →