Phosphor element, phosphor device, and illumination apparatus
US-12438336-B2 · Oct 7, 2025 · US
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Okada Naotake patents
Okada Naotake is listed as an inventor on 31 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Okada Naotake |
| Total patents | 31 |
| First publication | Jul 14, 2016 |
| Latest publication | Oct 7, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Method of manufacturing waveguide device
US-2025291229-A1 · Sep 18, 2025 · US
Phosphor element with heat dissipating substrate that has thermally conductive metal plating film
US-12140304-B2 · Nov 12, 2024 · US
Waveguide device and method of producing waveguide device
US-2024178539-A1 · May 30, 2024 · US
Waveguide element
US-2023411818-A1 · Dec 21, 2023 · US
Phosphor element, phosphor device, and illumination device
US-11674652-B2 · Jun 13, 2023 · US
Phosphor element and lighting device
US-11635189-B2 · Apr 25, 2023 · US
Phosphor element, phosphor device, and illumination apparatus
US-2022278506-A1 · Sep 1, 2022 · US
Phosphor element, phosphor device, and illumination device
US-2022275919-A1 · Sep 1, 2022 · US
Optical scanning element
US-11385334-B2 · Jul 12, 2022 · US
Recent patents
Latest publications not already listed above.
Phosphor element and lighting device
US-2022205612-A1 · Jun 30, 2022 · US
Phosphor element, method for producing same, and lighting device
US-11262046-B2 · Mar 1, 2022 · US
Phosphor element and lighting device
US-11112086-B2 · Sep 7, 2021 · US
Phosphor element, method for producing same, and lighting device
US-2021215318-A1 · Jul 15, 2021 · US
Phosphor element and illumination device
US-2021184425-A1 · Jun 17, 2021 · US
Optical component including a translucent substrate for adjustable light scattering and lighting device including the same
US-10995934-B2 · May 4, 2021 · US
Phosphor element and illumination device
US-10859747-B2 · Dec 8, 2020 · US
Optical component and lighting device
US-2019323685-A1 · Oct 24, 2019 · US
Phosphor element and illumination device
US-2019310408-A1 · Oct 10, 2019 · US
Optical component
US-2019309936-A1 · Oct 10, 2019 · US
Optical scanning element
US-2019154811-A1 · May 23, 2019 · US
Phosphor element and lighting device
US-2019120442-A1 · Apr 25, 2019 · US
Grating element and external resonator type light emitting device
US-10074962-B2 · Sep 11, 2018 · US
Production method for mounting structure for grating elements
US-9874694-B2 · Jan 23, 2018 · US
Grating element and external-resonator-type light emitting device
US-9859684-B2 · Jan 2, 2018 · US
Optical component
US-9733546-B2 · Aug 15, 2017 · US
Grating element and external resonator type light emitting device
US-2017047711-A1 · Feb 16, 2017 · US
Production method for mounting structure for grating elements
US-2017031097-A1 · Feb 2, 2017 · US
Grating Element and External-Resonator-Type Light Emitting Device
US-2016344161-A1 · Nov 24, 2016 · US
Reflective Optical Sensor Element
US-2016313145-A1 · Oct 27, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Ngk Insulators Ltd | 31 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F21Y2115/30 | 14 |
| F21V9/32 | 9 |
| F21V9/30 | 9 |
| H01S5/0087 | 8 |
| F21V29/502 | 7 |