Inventor · disambiguated record
Tsuyoshi Okahisa
Also filed as: OKAHISA TSUYOSHI
55 granted patents·13 pending applications·24 citations·filing 2014–2025
97Inventor score
Files withNICHIA CORP68
Top patents by PatentIndex Score
68 records- 0195US12352426B2Light source deviceNICHIA CORP·Filed 2023·Granted Jul 8, 2025·2 cites·11 claims
- 0293US11563145B2Light source, light source device and method of manufacturing light sourceNICHIA CORP·Filed 2021·Granted Jan 24, 2023·2 cites·22 claims
- 0392US11575073B2Light-emitting device including cover and fixing memberNICHIA CORP·Filed 2020·Granted Feb 7, 2023·3 cites·19 claims
- 0492US2025389923A1Lens and light emitting deviceNICHIA CORP·Filed 2025·Application pending·0 cites
- 0590US12066180B2Light source device and lens structureNICHIA CORP·Filed 2023·Granted Aug 20, 2024·1 cites·20 claims
- 0690US12044374B2Light source device and light guide array unitNICHIA CORP·Filed 2023·Granted Jul 23, 2024·2 cites·11 claims
- 0790US2025321396A1Lens and light emitting deviceNICHIA CORP·Filed 2025·Application pending·0 cites
- 0889US10825967B2Light emitting device, method of manufacturing covering member, and method of manufacturing light emitting deviceNICHIA CORP·Filed 2019·Granted Nov 3, 2020·2 cites·3 claims
- 0988US11810997B2Light source and light source deviceNICHIA CORP·Filed 2022·Granted Nov 7, 2023·1 cites·20 claims
- 1088US11231149B2Light-emitting device, illumination device, and methods for manufacturing sameNICHIA CORP·Filed 2020·Granted Jan 25, 2022·2 cites·30 claims
- 1188US10883700B2Lens, light emitting device and method of manufacturing the lens and the light emitting deviceNICHIA CORP·Filed 2019·Granted Jan 5, 2021·4 cites·9 claims
- 1286US11506934B2Light-emitting device and planar light sourceNICHIA CORP·Filed 2021·Granted Nov 22, 2022·1 cites·20 claims
- 1385US12153277B2Lens and light emitting deviceNICHIA CORP·Filed 2023·Granted Nov 26, 2024·0 cites·20 claims
- 1485US11639783B2Light source device and lens structureNICHIA CORP·Filed 2021·Granted May 2, 2023·1 cites·25 claims
- 1584US12366354B2Light source deviceNICHIA CORP·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 1684US12271099B2Light-emitting device and method of manufacturing the sameNICHIA CORP·Filed 2024·Granted Apr 8, 2025·0 cites·18 claims
- 1784US11640038B2Lens, light emitting device and method of manufacturing the lens and the light emitting deviceNICHIA CORP·Filed 2019·Granted May 2, 2023·1 cites·21 claims
- 1884US2025362003A1Light emitting moduleNICHIA CORP·Filed 2025·Application pending·0 cites
- 1984US2025354674A1Light-emitting module with cover member and light-transmissive member having higher hardness than cover memberNICHIA CORP·Filed 2025·Application pending·0 cites
- 2083US12379564B2Method of manufacturing lens and light emitting deviceNICHIA CORP·Filed 2022·Granted Aug 5, 2025·0 cites·10 claims
- 2183US12247710B2Light source and light emitting moduleNICHIA CORP·Filed 2024·Granted Mar 11, 2025·0 cites·14 claims
- 2283US2025314376A1Light source deviceNICHIA CORP·Filed 2025·Application pending·0 cites
- 2381US12416774B2Method of manufacturing lens and light emitting deviceNICHIA CORP·Filed 2022·Granted Sep 16, 2025·0 cites·20 claims
- 2481US11366261B2Light source deviceNICHIA CORP·Filed 2020·Granted Jun 21, 2022·1 cites·17 claims
- 2581US2025305655A1Light source deviceNICHIA CORP·Filed 2025·Application pending·0 cites
- 2680US12038142B2Light source and light emitting moduleNICHIA CORP·Filed 2023·Granted Jul 16, 2024·0 cites·10 claims
- 2779US12117162B2Light emitting deviceNICHIA CORP·Filed 2023·Granted Oct 15, 2024·0 cites·18 claims
- 2878US12243960B2Light source device including light emission units having light emission faces of different surface areasNICHIA CORP·Filed 2023·Granted Mar 4, 2025·0 cites·14 claims
- 2978US11947245B2Light-emitting device and method of manufacturing the sameNICHIA CORP·Filed 2022·Granted Apr 2, 2024·0 cites·19 claims
- 3077US2025180176A1Light source and light emitting moduleNICHIA CORP·Filed 2025·Application pending·0 cites
- 3177US2025113674A1Light-emitting device and planar light source that utilizes multiple wavelength conversion layersNICHIA CORP·Filed 2024·Application pending·0 cites
- 3276US12113149B2Light source device including light source, liquid crystal shutter, and lensNICHIA CORP·Filed 2023·Granted Oct 8, 2024·0 cites·13 claims
- 3376US11815231B2Light source and light emitting moduleNICHIA CORP·Filed 2022·Granted Nov 14, 2023·0 cites·15 claims
- 3475US12442509B2Light-emitting module with cover member and light-transmissive member having higher hardness than cover memberNICHIA CORP·Filed 2024·Granted Oct 14, 2025·0 cites·21 claims
- 3575US12313242B2Light source deviceNICHIA CORP·Filed 2023·Granted May 27, 2025·0 cites·12 claims
- 3674US11929452B2Method of manufacturing light-emitting device and method of manufacturing illumination deviceNICHIA CORP·Filed 2022·Granted Mar 12, 2024·0 cites·7 claims
- 3774US11810998B2Light source and light source deviceNICHIA CORP·Filed 2022·Granted Nov 7, 2023·0 cites·15 claims
- 3873US12216383B2Light emitting moduleNICHIA CORP·Filed 2023·Granted Feb 4, 2025·0 cites·16 claims
- 3973US12117691B2Method of producing light-emitting device and planar light sourceNICHIA CORP·Filed 2022·Granted Oct 15, 2024·0 cites·14 claims
- 4073US11867390B2Light source deviceNICHIA CORP·Filed 2022·Granted Jan 9, 2024·0 cites·19 claims
- 4173US11802678B2Light source deviceNICHIA CORP·Filed 2022·Granted Oct 31, 2023·0 cites·15 claims
- 4273US11644635B2Lens, light emitting device and method of manufacturing the lens and the light emitting deviceNICHIA CORP·Filed 2019·Granted May 9, 2023·0 cites·20 claims
- 4373US2025123538A1Light emitting moduleNICHIA CORP·Filed 2024·Application pending·0 cites
- 4472US11500269B2Light-emitting device and method of manufacturing the sameNICHIA CORP·Filed 2021·Granted Nov 15, 2022·0 cites·20 claims
- 4571US11894497B2Light emitting device, method of manufacturing covering member, and method of manufacturing light emitting deviceNICHIA CORP·Filed 2020·Granted Feb 6, 2024·0 cites·15 claims
- 4671US11846412B2Light source deviceNICHIA CORP·Filed 2023·Granted Dec 19, 2023·0 cites·14 claims
- 4771US2024060619A1Light source deviceNICHIA CORP·Filed 2023·Application pending·0 cites
- 4869US12152769B2Light source deviceNICHIA CORP·Filed 2021·Granted Nov 26, 2024·0 cites·29 claims
- 4969US11788708B2Lens and light emitting deviceNICHIA CORP·Filed 2020·Granted Oct 17, 2023·0 cites·13 claims
- 5067US12410903B2Light emitting moduleNICHIA CORP·Filed 2022·Granted Sep 9, 2025·0 cites·20 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →