For the Inventor, By the Inventor

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Gyeonggi-do, South Korea

Ls Tech Co., Ltd.

USPTO Granted Patents = 12

Forward Citations = 97

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20 inventors (with patents filed for the assignee):

Choong Yop Rhew (6 out of 6 patents)

Deuk Il Park (6 out of 6 patents)

Deukil Park (3 out of 5 patents)

4. Choongyop Rhew (3 out of 5 patents)

5. Daisoung Park (3 out of 5 patents)

6. Wonmyeong Kang (3 out of 4 patents)

7. Young Jin Hyun (2 out of 2 patents)

8. Hong Jin Park (2 out of 4 patents)

9. Ki Yong Balk (1 out of 1 patent)

10. Choong-Yop Rhew (1 out of 1 patent)

11. Soon Cheon Cho (1 out of 1 patent)

12. Ok Bin Sur (1 out of 1 patent)

13. Chi Un Jo (1 out of 1 patent)

14. Sung Su Zoo (1 out of 1 patent)

15. Jun Kyu Lee (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 8592718 - Apparatus for forming pattern using laser (2013-11-26),

2. 8278596 - Apparatus for forming pattern using laser (2012-10-02),

3. 8247736 - Apparatus for forming pattern on light guide panel (2012-08-21),

4. 7736042 - Back light unit (2010-06-15),

5. 7471037 - Flat fluorescent lamp with discharge uniformity (2008-12-30),

6. 7364339 - Flexible backlight unit for key of input device (2008-04-29),

7. 7364337 - Flexible backlight unit for key of input device (2008-04-29),

8. 7259518 - Flat fluorescent lamp with improved discharge efficiency (2007-08-21),

9. 7215079 - Flat fluorescent lamp requiring low discharge initiating voltage and backlight unit having uniform brightness (2007-05-08),

10. 7042167 - Back light device for liquid crystal displays (2006-05-09),

11. 6960891 - Direct-type back light device (2005-11-01),

12. 6843587 - Surface light source apparatus, and method and apparatus for manufacturing the same (2005-01-18),

LS Tech Co., Ltd. is a leading technology company specialized in providing innovative solutions for various industries. With a strong focus on research and development, we create cutting-edge technologies to address complex challenges faced by our clients. Our expertise lies in areas such as software development, artificial intelligence, IoT (Internet of Things), and cybersecurity. We strive to deliver high-quality products and services that exceed customer expectations. Visit our website to learn more about our offerings and how we can help transform your business.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

12 Patents

#70 in Gyeonggi-do

#892 in South Korea

#46,630 in the World

Gyeonggi-do, South Korea

Ls Tech Co., Ltd.

Forward Citations = 97

20 inventors:

Choong Yop Rhew (6 out of 6 patents)

Deuk Il Park (6 out of 6 patents)

Deukil Park (3 out of 5 patents)

4. Choongyop Rhew (3 out of 5 patents)

5. Daisoung Park (3 out of 5 patents)

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