Inventor · disambiguated record
Namgoo Cha
Also filed as: CHA NAMGOO
11 granted patents·15 pending applications·11 citations·filing 2021–2025
83Inventor score
Files withSEOUL VIOSYS CO LTD26
Top patents by PatentIndex Score
26 records- 0195US11961872B2Unit pixel having light emitting devices and display apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2021·Granted Apr 16, 2024·4 cites·20 claims
- 0291US12136610B2Unit pixel and displaying apparatus including the unit pixelSEOUL VIOSYS CO LTD·Filed 2021·Granted Nov 5, 2024·2 cites·20 claims
- 0390US12272765B2High efficiency light emitting device, unit pixel having the same, and displaying apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2021·Granted Apr 8, 2025·2 cites·20 claims
- 0484US11843077B2Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2021·Granted Dec 12, 2023·1 cites·20 claims
- 0583US12113151B2Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·20 claims
- 0683US12027654B2Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2021·Granted Jul 2, 2024·1 cites·20 claims
- 0781US12083489B2LED mixer using vibratory bowl feederSEOUL VIOSYS CO LTD·Filed 2021·Granted Sep 10, 2024·1 cites·18 claims
- 0881US2025015232A1Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 0979US2024413135A1Unit pixel having light emitting device, method of fabricating the same, and displaying apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 1078US2025318332A1Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2025·Application pending·0 cites
- 1173US2025022856A1Unit pixel and displaying apparatus including the unit pixelSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 1271US12080687B2Unit pixel having light emitting device, method of fabricating the same, and displaying apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2021·Granted Sep 3, 2024·0 cites·20 claims
- 1371US2024313179A1Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 1470US2024243242A1Unit pixel having light emitting device displaying apparatusSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 1566US2025221097A1High Efficiency Light Emitting Device, Unit Pixel Having the Same, and Displaying Apparatus Having the SameSEOUL VIOSYS CO LTD·Filed 2025·Application pending·0 cites
- 1665US12439758B2Wafer having auxiliary pattern for aligning light emitting device and method of fabricating unit pixel using the sameSEOUL VIOSYS CO LTD·Filed 2021·Granted Oct 7, 2025·0 cites·19 claims
- 1762US11949055B2Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2021·Granted Apr 2, 2024·0 cites·19 claims
- 1860US2025063861A1Light emitting module having light emitting device and display apparatus having sameSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 1959US2024355791A1Display module and display apparatus having light emitting deviceSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 2059US2024258362A1Unit pixel having light emitting devices and display apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 2159US2025070099A1Pixel device for display and display apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 2258US2024331619A1Light emitting module and light emitting system including the sameSEOUL VIOSYS CO LTD·Filed 2024·Application pending·0 cites
- 2353US2023154895A1Pixel device for led display and led display apparatus having the sameSEOUL VIOSYS CO LTD·Filed 2022·Application pending·0 cites
- 2452US12364073B2Unit pixel having light emitting device and displaying apparatusSEOUL VIOSYS CO LTD·Filed 2021·Granted Jul 15, 2025·0 cites·16 claims
- 2549US2022199857A1Unit pixel and displaying apparatus including the unit pixelSEOUL VIOSYS CO LTD·Filed 2021·Application pending·0 cites
- 2640US2025324836A1Light emitting deviceSEOUL VIOSYS CO LTD·Filed 2025·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Namgoo Cha files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →