Inventor · disambiguated record
Naotake Okada
Also filed as: OKADA NAOTAKE
17 granted patents·5 pending applications·105 citations·filing 1974–2025
90Inventor score
Top patents by PatentIndex Score
22 records- 0197US11262046B2Phosphor element, method for producing same, and lighting deviceNGK INSULATORS LTD·Filed 2021·Granted Mar 1, 2022·4 cites·12 claims
- 0291US3946093AProcess for preparing polyphosphonateNISSAN CHEMICAL IND LTD·Filed 1974·Granted Mar 23, 1976·50 cites·9 claims
- 0384US11385334B2Optical scanning elementNGK INSULATORS LTD·Filed 2019·Granted Jul 12, 2022·2 cites·11 claims
- 0481US10859747B2Phosphor element and illumination deviceNGK INSULATORS LTD·Filed 2019·Granted Dec 8, 2020·2 cites·13 claims
- 0576US4932429AScrew stopper including anti-freeze device used for water pipe valveWATANABE MASATOSHI·Filed 1989·Granted Jun 12, 1990·39 cites·1 claims
- 0674US9859684B2Grating element and external-resonator-type light emitting deviceNGK INSULATORS LTD·Filed 2016·Granted Jan 2, 2018·2 cites·9 claims
- 0771US12438336B2Phosphor element, phosphor device, and illumination apparatusNGK INSULATORS LTD·Filed 2022·Granted Oct 7, 2025·0 cites·14 claims
- 0862US2025291229A1Method of manufacturing waveguide deviceNGK INSULATORS LTD·Filed 2025·Application pending·0 cites
- 0960US12140304B2Phosphor element with heat dissipating substrate that has thermally conductive metal plating filmNGK INSULATORS LTD·Filed 2021·Granted Nov 12, 2024·0 cites·8 claims
- 1060US11635189B2Phosphor element and lighting deviceNGK INSULATORS LTD·Filed 2022·Granted Apr 25, 2023·0 cites·9 claims
- 1160US10995934B2Optical component including a translucent substrate for adjustable light scattering and lighting device including the sameNGK INSULATORS LTD·Filed 2019·Granted May 4, 2021·0 cites·11 claims
- 1258US11674652B2Phosphor element, phosphor device, and illumination deviceNGK INSULATORS LTD·Filed 2022·Granted Jun 13, 2023·0 cites·14 claims
- 1358US2024178539A1Waveguide device and method of producing waveguide deviceNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 1456US2019309936A1Optical componentNGK INSULATORS LTD·Filed 2019·Application pending·0 cites
- 1556US2023411818A1Waveguide elementNGK INSULATORS LTD·Filed 2023·Application pending·0 cites
- 1655US11112086B2Phosphor element and lighting deviceNGK INSULATORS LTD·Filed 2018·Granted Sep 7, 2021·0 cites·5 claims
- 1754US7140255B2Devices and method of measuring a massNGK INSULATORS LTD·Filed 2004·Granted Nov 28, 2006·1 cites·24 claims
- 1850US9874694B2Production method for mounting structure for grating elementsNGK INSULATORS LTD·Filed 2016·Granted Jan 23, 2018·0 cites·10 claims
- 1946US9733546B2Optical componentNGK INSULATORS LTD·Filed 2016·Granted Aug 15, 2017·0 cites·7 claims
- 2039US10074962B2Grating element and external resonator type light emitting deviceNGK INSULATORS LTD·Filed 2016·Granted Sep 11, 2018·0 cites·16 claims
- 2139US2016313145A1Reflective Optical Sensor ElementNGK INSULATORS LTD·Filed 2016·Application pending·0 cites
- 2238US4065517AFlame retardant polysulfone compositionNISSAN CHEMICAL IND LTD·Filed 1976·Granted Dec 27, 1977·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →