Inventor · disambiguated record
Shigeo Kittaka
Also filed as: KITTAKA SHIGEO
39 granted patents·12 pending applications·467 citations·filing 1988–2025
98Inventor score
Top patents by PatentIndex Score
51 records- 0188US6782162B2Optical module and method for assembling the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Aug 24, 2004·47 cites·37 claims
- 0287US7310468B2Photonic crystal waveguide, homogeneous medium waveguide, and optical deviceNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Dec 18, 2007·34 cites·36 claims
- 0387US7170600B2Spectrometer using diffraction gratingNAT INST OF ADVANCED IND SCIEN·Filed 2003·Granted Jan 30, 2007·38 cites·12 claims
- 0484US7688512B2Transmissive diffraction grating, and spectral separation element and spectroscope using the sameNIPPON SHEET GLASS CO LTD·Filed 2007·Granted Mar 30, 2010·13 cites·15 claims
- 0583US7349612B2Optical element, optical circuit provided with the optical element, and method for producing the optical elementNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Mar 25, 2008·38 cites·17 claims
- 0682US6366408B1Optical imaging systemNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Apr 2, 2002·26 cites·62 claims
- 0778US7724997B2Waveguide element, method for producing the waveguide element, and optical sensorNIPPON SHEET GLASS CO LTD·Filed 2006·Granted May 25, 2010·7 cites·27 claims
- 0877US6476975B1Mother glass composition for graded index lensNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Nov 5, 2002·16 cites·8 claims
- 0974US6825963B2Optical elementNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Nov 30, 2004·16 cites·11 claims
- 1073US6968096B2Diffraction device using photonic crystalNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Nov 22, 2005·15 cites·21 claims
- 1172US6511932B2Graded index lensNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Jan 28, 2003·11 cites·5 claims
- 1269US7515804B2Optical waveguide deviceNIPPON SHEET GLASS CO LTD·Filed 2007·Granted Apr 7, 2009·4 cites·10 claims
- 1367US7231116B2Filter moduleNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jun 12, 2007·12 cites·11 claims
- 1467US6429977B2Optical imaging systemNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Aug 6, 2002·10 cites·13 claims
- 1565US6847770B2Lens function-including optical fiber and method of producing the sameNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Jan 25, 2005·12 cites·11 claims
- 1664US6914715B2Optical elementNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jul 5, 2005·9 cites·9 claims
- 1762US6909557B2Optical coupling system and optical device using the sameNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Jun 21, 2005·8 cites·23 claims
- 1857US7329372B2Method for producing aspherical structure, and aspherical lens array molding tool and aspherical lens array produced by the same methodNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Feb 12, 2008·2 cites·2 claims
- 1957US6330116B1Optics using a gradient index lensNIPPON SHEET GLASS CO LTD·Filed 2000·Granted Dec 11, 2001·5 cites·9 claims
- 2056US7068903B2Optical element using one-dimensional photonic crystal and spectroscopic device using the sameNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jun 27, 2006·5 cites·21 claims
- 2156US6066273AAxial refractive index distributed lensNIPPON SHEET GLASS CO LTD·Filed 1998·Granted May 23, 2000·20 cites·7 claims
- 2256US5978146ARod lens array and life-size imaging optical apparatus using the sameNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Nov 2, 1999·22 cites·7 claims
- 2356US2025150543A1Light guide, illumination device, and contact image sensorNIPPON SHEET GLASS CO LTD·Filed 2025·Application pending·0 cites
- 2455US9164038B2Fluorescence light detection device and fluorescence light detection methodNIPPON SHEET GLASS CO LTD·Filed 2014·Granted Oct 20, 2015·0 cites·16 claims
- 2555US7305155B2Optical element and wavelength separator using the sameNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Dec 4, 2007·1 cites·14 claims
- 2653US7421176B2Waveguide element using photonic crystalNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Sep 2, 2008·3 cites·17 claims
- 2753US6807337B2Optical deviceNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Oct 19, 2004·4 cites·4 claims
- 2849US6919953B2Method for measuring gradient index distribution of rod lensNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Jul 19, 2005·2 cites·6 claims
- 2949US6252722B1Endoscopic objective lensNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Jun 26, 2001·18 cites·9 claims
- 3047US6031668AOptical imaging systemNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Feb 29, 2000·15 cites·22 claims
- 3147US5050970ALens system for use in optical information deviceNIPPON SHEET GLASS CO LTD·Filed 1988·Granted Sep 24, 1991·11 cites·13 claims
- 3246US7012721B2Optical imaging system with rod lens arrayNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Mar 14, 2006·1 cites·11 claims
- 3345US6010787AGlass compositions for core/cladding type distributed index optical elementNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Jan 4, 2000·11 cites·9 claims
- 3444US2010110552A1Antireflection structural bodyNIPPON SHEET GLASS CO LTD·Filed 2008·Application pending·0 cites
- 3543US2009316262A1Transmission type polarizing element, and composite polarizing plate using the elementNIPPON SHEET GLASS CO LTD·Filed 2007·Application pending·0 cites
- 3642US7260300B2Waveguide element using photonic crystalNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Aug 21, 2007·0 cites·19 claims
- 3742US5959783ARod lens array and life-size imaging optical apparatus using the sameNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Sep 28, 1999·11 cites·7 claims
- 3842US2010022379A1Optical element, titanium-containing oxide glass used for the optical element, and light emitting method and light amplifying method using the titanium-containing oxide glassJAPAN AEROSPACE EXPLORATION·Filed 2008·Application pending·0 cites
- 3941US2020018954A1WindshieldNIPPON SHEET GLASS CO LTD·Filed 2018·Application pending·0 cites
- 4040US2006140567A1Photonic crystal optical waveguideNIPPON SHEET GLASS CO LTD·Filed 2003·Application pending·0 cites
- 4139US7009701B2Optical element and spectroscopic device using the sameNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Mar 7, 2006·0 cites·19 claims
- 4239US2003184845A1Optical element using one-dimensional photonic crystal and optical device using the sameFiled 2003·Application pending·0 cites
- 4338US6577790B2Optical device with optical fibers and rod lensesNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Jun 10, 2003·0 cites·43 claims
- 4438US5949585AOptics using graded-index lensNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Sep 7, 1999·7 cites·5 claims
- 4538US2002122613A1Optical device and spectroscopic and integrated optical apparatus using the sameFiled 2001·Application pending·0 cites
- 4638US2002197042A1Optical device, and wavelength multiplexing optical recording headFiled 2002·Application pending·0 cites
- 4738US2007025657A1Optical path conversion elementNIPPON SHEET GLASS CO LTD·Filed 2004·Application pending·0 cites
- 4837US2002027655A1Optical device and spectroscopic and polarization separating apparatus using the sameFiled 2001·Application pending·0 cites
- 4936US2002088929A1Wavelength monitoring apparatusFiled 2001·Application pending·0 cites
- 5034US6078431AObject lens systemNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Jun 20, 2000·8 cites·8 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →