Inventor · disambiguated record
Shu Namiki
Also filed as: NAMIKI SHU
50 granted patents·5 pending applications·877 citations·filing 1993–2018
99Inventor score
Files withFURUKAWA ELECTRIC CO LTD43AIST3IGARASHI KOJI2SUMITOMO ELECTRIC INDUSTRIES2AKASAKA YOUICHI1
Top patents by PatentIndex Score
55 records- 0199US6292288B1Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Sep 18, 2001·201 cites·54 claims
- 0295US7692852B2Raman amplifier, optical repeater, and Raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted Apr 6, 2010·16 cites·20 claims
- 0394US6768577B2Tunable multimode laser diode module, tunable multimode wavelength division multiplex raman pump, and amplifier, and a system, method, and computer program product for controlling tunable multimode laser diodes, raman pumps, and raman amplifiersFITEL USA CORP·Filed 2002·Granted Jul 27, 2004·52 cites·61 claims
- 0493US6775057B2Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Aug 10, 2004·24 cites·22 claims
- 0593US6611370B2Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performanceFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Aug 26, 2003·46 cites·171 claims
- 0692US6522818B1Method for efficient four-wave mixing generation and short pulse generation equipment using the methodFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Feb 18, 2003·63 cites·14 claims
- 0792US6501593B2Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Dec 31, 2002·23 cites·51 claims
- 0891US6665113B2Wavelength converter and wavelength division multiplexing transmission method using sameFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Dec 16, 2003·37 cites·15 claims
- 0990US7483608B2Method of designing optical pulse shaping device and optical pulse shaping deviceFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Jan 27, 2009·13 cites·24 claims
- 1090US7050221B2Raman amplifierFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted May 23, 2006·11 cites·17 claims
- 1189US9281654B2Raman amplifier, optical repeater, and Raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Mar 8, 2016·4 cites·26 claims
- 1288US6977769B2Pump light source device for optical Raman amplification and optical Raman amplification system using the sameFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Dec 20, 2005·27 cites·10 claims
- 1387US7447444B2Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction systemFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Nov 4, 2008·13 cites·8 claims
- 1487US6636344B2Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Oct 21, 2003·14 cites·41 claims
- 1585US6459525B1Optical fiber type wide bandwidth wavelength converter and wavelength converting optical fiber used thereforFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Oct 1, 2002·28 cites·22 claims
- 1684US7548368B2Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2004·Granted Jun 16, 2009·10 cites·6 claims
- 1784US7072369B2Depolarized laser diode module and depolarized laser diode light sourceFURUKAWA ELECTRIC CO LTD·Filed 2004·Granted Jul 4, 2006·22 cites·86 claims
- 1883US6611369B2Optical signal amplifierFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Aug 26, 2003·17 cites·13 claims
- 1982US7423564B2Optical signal processing device for A/D converter including optical encoders with nonlinear loop mirrorsJURIDICAL FOUNDATION OSAKA IND·Filed 2004·Granted Sep 9, 2008·33 cites·21 claims
- 2082US6882468B2Raman amplifierFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Apr 19, 2005·13 cites·6 claims
- 2182US6654162B2Raman amplifier, optical repeater, and Raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Nov 25, 2003·10 cites·122 claims
- 2280US8437074B2Raman amplifier, optical repeater, and Raman amplification methodAKASAKA YOUICHI·Filed 2011·Granted May 7, 2013·2 cites·32 claims
- 2380US7206123B2Raman amplifier, pump source for use in a raman amplifier and method for amplifying an optical signalFURUKAWA ELECTRIC CO LTD·Filed 2004·Granted Apr 17, 2007·17 cites·22 claims
- 2479US6845117B2Semiconductor laser device, semiconductor laser module, and optical fiber amplifier using the device or moduleFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Jan 18, 2005·16 cites·28 claims
- 2578US7400442B2Optical signal amplifierFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jul 15, 2008·12 cites·64 claims
- 2678US7199919B2Tunable multimode wavelength division multiplex Raman pump and amplifier, and a system, method, and computer program product for controlling tunable Raman pumps, and Raman amplifiersFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Apr 3, 2007·14 cites·42 claims
- 2778US6917466B2Raman amplifier system, apparatus and method for identifying, obtaining and maintaining an arbitrary Raman amplification performanceFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jul 12, 2005·12 cites·21 claims
- 2878US6882467B1Raman amplification method and optical signal transmission method using the sameFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Apr 19, 2005·12 cites·27 claims
- 2977US9395504B2System to control wavelength and method to control wavelengthSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Jul 19, 2016·4 cites·15 claims
- 3075US6920263B2Optical pulse generatorFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Jul 19, 2005·16 cites·35 claims
- 3175US6542666B2Optical componentFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Apr 1, 2003·13 cites·18 claims
- 3274US7769298B2Light source in optical transmission system, waveform shaper, optical pulse train generator and optical reproduction systemFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Aug 3, 2010·4 cites·9 claims
- 3374US7061664B2Wavelength converter and wavelength division multiplexing transmission method using the sameFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jun 13, 2006·11 cites·14 claims
- 3473US6825972B2Raman amplifierFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Nov 30, 2004·8 cites·4 claims
- 3572US6646787B2Raman amplifier, optical repeater, and Raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Nov 11, 2003·5 cites·6 claims
- 3671US8059966B2Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration methodIGARASHI KOJI·Filed 2003·Granted Nov 15, 2011·14 cites·4 claims
- 3770US6839367B2Light source comprising laser diode moduleFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Jan 4, 2005·11 cites·17 claims
- 3865US7155095B2Method for efficient four-wave mixing generation and short pulse generation equipment using the methodFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Dec 26, 2006·10 cites·4 claims
- 3962US6633697B2Raman amplification method and optical signal transmission method using sameFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Oct 14, 2003·5 cites·53 claims
- 4061US7535629B2Method and apparatus for controlling multiple-wavelength-pumped Raman amplifier and computer productFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted May 19, 2009·1 cites·50 claims
- 4161US2010067099A1Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2009·Application pending·0 cites
- 4258US10298319B2Optical switch, and optical node monitoring system and monitoring methodAIST·Filed 2016·Granted May 21, 2019·1 cites·11 claims
- 4349US9444221B2Laser apparatus and method to re-tune emission wavelength tunable LDSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Sep 13, 2016·0 cites·16 claims
- 4449US7262903B2Method and apparatus for controlling multiple-wavelength-pumped raman amplifier and computer productFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Aug 28, 2007·0 cites·84 claims
- 4548US6384964B1Optical gain equalizer, and method for producing the optical gain equalizer, and applications of the optical gain equalizerFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted May 7, 2002·2 cites·22 claims
- 4647US6433928B1Optical amplifier, optical amplification apparatus, and optical amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Aug 13, 2002·2 cites·2 claims
- 4744US7224513B2Pumping light source having amplification-band extending function for Raman amplification, Raman amplifier using the same, and method and program for setting amplification band extensionFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted May 29, 2007·0 cites·25 claims
- 4842US10901242B2Driving device and driving method for phase controller, and optical switchAIST·Filed 2016·Granted Jan 26, 2021·0 cites·3 claims
- 4942US2012027343A1Wavelength division multiplex optical regeneration system and wavelength division multiplex optical regeneration methodIGARASHI KOJI·Filed 2011·Application pending·0 cites
- 5041US2004240038A1Raman amplification method and optical transmission system using the sameFURUKAWA ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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