Jun-woo Song

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
LED lighting apparatus having improved color rendering and LED fila...
- Patent number 12,218,290
- Issue date Feb 4, 2025
- Seoul Semiconductor Co., Ltd.
- Jong Kook Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
LED lighting apparatus having improved color lendering and LED fila...
- Patent number 11,527,682
- Issue date Dec 13, 2022
- Seoul Semiconductor Co., Ltd.
- Jong Kook Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Apparatus for coupling reinforcing bar using hydraulic pressure
- Patent number 9,551,151
- Issue date Jan 24, 2017
- Jong Ryul Lee
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
LED LIGHTING APPARATUS HAVING IMPROVED COLOR RENDERING AND LED FILA...
- Publication number 20250160071
- Publication date May 15, 2025
- SEOUL SEMICONDUCTOR CO., LTD.
- Jong Kook LEE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LED LIGHTING APPARATUS HAVING IMPROVED COLOR LENDERING AND LED FILA...
- Publication number 20230099215
- Publication date Mar 30, 2023
- SEOUL SEMICONDUCTOR CO., LTD.
- Jong Kook LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LED LIGHTING APPARATUS HAVING IMPROVED COLOR LENDERING AND LED FILA...
- Publication number 20200295237
- Publication date Sep 17, 2020
- SEOUL SEMICONDUCTOR CO., LTD.
- Jong Kook LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS FOR COUPLING REINFORCING BAR USING HYDRAULIC PRESSURE
- Publication number 20150337533
- Publication date Nov 26, 2015
- Jong-youl Lee
- E04 - BUILDING