Inventor · disambiguated record
Keiji Tsunetomo
Also filed as: TSUNETOMO KEIJI
53 granted patents·14 pending applications·692 citations·filing 1997–2023
98Inventor score
Top patents by PatentIndex Score
67 records- 0193US6924457B2Laser processing method to a class substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elementsNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Aug 2, 2005·40 cites·4 claims
- 0290US8307672B2Glass substrate processing method and glass componentHIDAKA TAKESHI·Filed 2006·Granted Nov 13, 2012·21 cites·14 claims
- 0387US7310468B2Photonic crystal waveguide, homogeneous medium waveguide, and optical deviceNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Dec 18, 2007·34 cites·36 claims
- 0487US7170600B2Spectrometer using diffraction gratingNAT INST OF ADVANCED IND SCIEN·Filed 2003·Granted Jan 30, 2007·38 cites·12 claims
- 0586US7217448B2Glass structure and method for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2003·Granted May 15, 2007·30 cites·16 claims
- 0684US11555596B2Radiation angle changing element and light emitting deviceNIPPON SHEET GLASS CO LTD·Filed 2021·Granted Jan 17, 2023·1 cites·11 claims
- 0784US7688512B2Transmissive 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
- 0883US7349612B2Optical 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
- 0983US6220058B1Method of changing the surface of a glass substrate containing silver, by using a laser beamNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Apr 24, 2001·28 cites·8 claims
- 1082US6645603B2Laser processing method to a glass substrate and an optical diffraction element obtained thereby, and a method for manufacturing optical elementsNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Nov 11, 2003·16 cites·1 claims
- 1178US7724997B2Waveguide element, method for producing the waveguide element, and optical sensorNIPPON SHEET GLASS CO LTD·Filed 2006·Granted May 25, 2010·7 cites·27 claims
- 1278US7407889B2Method of manufacturing article having uneven surfaceNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Aug 5, 2008·16 cites·20 claims
- 1378US6143382AGlass substrate having fine holesNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Nov 7, 2000·42 cites·21 claims
- 1475US7034932B2Deposit detector and controller using the detectorNILES CO LTD·Filed 2001·Granted Apr 25, 2006·13 cites·15 claims
- 1575US5998782AWater drop detector on transparent substrateNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Dec 7, 1999·28 cites·2 claims
- 1674US6285037B1Liquid drop detection method and apparatus thereforNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Sep 4, 2001·26 cites·3 claims
- 1773US10727048B2Method for producing glass substrate with through glass vias and glass substrateNIPPON SHEET GLASS CO LTD·Filed 2019·Granted Jul 28, 2020·1 cites·3 claims
- 1873US6968096B2Diffraction device using photonic crystalNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Nov 22, 2005·15 cites·21 claims
- 1973US6291797B1Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical deviceNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Sep 18, 2001·27 cites·10 claims
- 2072US6397161B1Method for stabilizing output of rain sensor and protection method thereforNIPPON SHEET GLASS CO LTD·Filed 1998·Granted May 28, 2002·24 cites·4 claims
- 2171US6903877B2Gradient-index lens, and method for producing the sameNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jun 7, 2005·12 cites·9 claims
- 2270US5910256AMethod for manufacturing a diffraction type optical elementNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Jun 8, 1999·28 cites·6 claims
- 2369US7515804B2Optical waveguide deviceNIPPON SHEET GLASS CO LTD·Filed 2007·Granted Apr 7, 2009·4 cites·10 claims
- 2467US5951731ALaser processing method to a micro lensNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Sep 14, 1999·27 cites·11 claims
- 2565US10276368B2Method for producing glass substrate with through glass vias and glass substrateNIPPON SHEET GLASS CO LTD·Filed 2015·Granted Apr 30, 2019·1 cites·11 claims
- 2665US6470712B2Method of changing the surface of a glass substrate containing silver, by using a laser beamNIPPON SHEET GLASS CO LTD·Filed 2001·Granted Oct 29, 2002·9 cites·11 claims
- 2764US6914715B2Optical elementNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jul 5, 2005·9 cites·9 claims
- 2864US6262389B1Laser-processable glass substrate and laser processing methodNIPPON SHEET GLASS CO LTD·Filed 1997·Granted Jul 17, 2001·22 cites·11 claims
- 2964US5991049ATransparent substrate having rain sensorNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Nov 23, 1999·19 cites·2 claims
- 3062US2020303188A1Glass substrate with through glass viasNIPPON SHEET GLASS CO LTD·Filed 2020·Application pending·0 cites
- 3161US7354526B2Processing method for glass substrate, processed glass product and stress applying apparatusOLYMPUS CORP·Filed 2004·Granted Apr 8, 2008·4 cites·18 claims
- 3261US7002480B2Deposit detector and control device using itNILES CO LTD·Filed 2001·Granted Feb 21, 2006·16 cites·19 claims
- 3360US7399721B2Glass for laser processingNIPPON SHEET GLASS CO LTD·Filed 2003·Granted Jul 15, 2008·5 cites·7 claims
- 3458US11276584B2Substrate with glass sheet, resin layer and through-glass viaNIPPON SHEET GLASS CO LTD·Filed 2019·Granted Mar 15, 2022·0 cites·11 claims
- 3558US2024027650A1Illumination device, lens, set of diffusion element and lens, sensor device, and traveling bodyNIPPON SHEET GLASS CO LTD·Filed 2023·Application pending·0 cites
- 3657US7329372B2Method 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
- 3757US2008209950A1Processing Method for Glass Substrate, Processed Glass Product and Stress Applying ApparatusOLYMPUS CORP·Filed 2008·Application pending·0 cites
- 3856US10917536B2Image sensor unit and image reading deviceNIPPON SHEET GLASS CO LTD·Filed 2019·Granted Feb 9, 2021·0 cites·7 claims
- 3956US7068903B2Optical 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
- 4055US7305155B2Optical element and wavelength separator using the sameNIPPON SHEET GLASS CO LTD·Filed 2005·Granted Dec 4, 2007·1 cites·14 claims
- 4155US6239444B1Water drop detector on transparent substrate and initiating method and output stabilizing method thereforNIPPON SHEET GLASS CO LTD·Filed 2000·Granted May 29, 2001·10 cites·1 claims
- 4255US5917603AWiper control apparatusNIPPON SHEET GLASS CO LTD·Filed 1998·Granted Jun 29, 1999·14 cites·6 claims
- 4354US7524783B2Glass for laser processingNIPPON SHEET GLASS CO LTD·Filed 2002·Granted Apr 28, 2009·2 cites·2 claims
- 4453US11892154B2Illumination deviceNIPPON SHEET GLASS CO LTD·Filed 2021·Granted Feb 6, 2024·0 cites·8 claims
- 4553US7421176B2Waveguide element using photonic crystalNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Sep 2, 2008·3 cites·17 claims
- 4651US6239570B1Wiper controller apparatus of water drop sensitive typeNIPPON SHEET GLASS CO LTD·Filed 1998·Granted May 29, 2001·11 cites·1 claims
- 4750US12174399B2Optical component and method of manufacturing optical componentNIPPON SHEET GLASS CO LTD·Filed 2019·Granted Dec 24, 2024·0 cites·20 claims
- 4850US7666492B2Multilayer structure and method for manufacturing the sameNIPPON SHEET GLASS CO LTD·Filed 2004·Granted Feb 23, 2010·2 cites·6 claims
- 4950US6919961B2Adhering substance detector and controller using the sameNILES CO LTD·Filed 2001·Granted Jul 19, 2005·3 cites·17 claims
- 5050US6147753AMultilayer, cushioned liquid drop detectorNIPPON SHEET GLASS CO LTD·Filed 1999·Granted Nov 14, 2000·11 cites·16 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →