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Yuyang Dnu Co., Ltd

USPTO Granted Patents = 10

EPO Patents = 1

Trademarks = 1

Forward Citations = 12

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17 inventors (with patents filed for the assignee):

Byungoh Kim (8 out of 8 patents)

Sangok Kim (8 out of 8 patents)

Dongsik Kim (6 out of 6 patents)

4. Sang-ho Yoon (6 out of 6 patents)

5. Seung-wan Roh (4 out of 4 patents)

6. Seok-joo Koh (2 out of 2 patents)

7. Tae Hoon Lee (2 out of 2 patents)

8. Sang Il Choi (2 out of 3 patents)

9. Byung Gil Yoo (1 out of 1 patent)

10. Il Kyu Lee (1 out of 1 patent)

11. Jung Il Han (1 out of 2 patents)

12. Hyuncheol Shim (1 out of 1 patent)

13. Hyun-cheol Shim (1 out of 1 patent)

14. Sang Ok Kim (1 out of 5 patents)

15. Jung Ho Lee (1 out of 51 patents)

10 patents: Sort by Forward Citations

1. 10659157 - Apparatus and method for registering visible light communication device and combining visible light communication signal and wireless communication signal (2020-05-19),

2. 10615872 - Method and apparatus for managing visible light communication devices (2020-04-07),

3. 10608740 - Method and apparatus for visible light communication (2020-03-31),

4. 10514424 - System for charge-discharge cycler (2019-12-24),

5. 10441494 - Route guidance method and apparatus for visually impaired using visible light communication inside subway station (2019-10-15),

6. 10432215 - Optical camera communication apparatus and method (2019-10-01),

7. 10405389 - Flickerless LED driver device (2019-09-03),

8. 10373487 - Method and apparatus for controlling lighting device, using visible light communication (2019-08-06),

9. 10277318 - Apparatus and method for registering visible light communication device and combining visible light communication signal and wireless communication signal (2019-04-30),

10. 10131365 - Vehicle safety device using visible light communication (2018-11-20),

Yuyang Dnu Co., Ltd is a leading manufacturer of high-quality DNUs (Digital Network Units) for the telecommunications industry. With a strong focus on innovation and quality, we have established ourselves as a trusted supplier to major telecom companies around the world. Our products are designed to meet the demands of modern networks, providing reliable and efficient solutions for telecommunication infrastructure.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

10 Patents

#42 in

#1,035 in South Korea

#54,348 in the World

Yuyang Dnu Co., Ltd

Forward Citations = 12

17 inventors:

Byungoh Kim (8 out of 8 patents)

Sangok Kim (8 out of 8 patents)

Dongsik Kim (6 out of 6 patents)

4. Sang-ho Yoon (6 out of 6 patents)

5. Seung-wan Roh (4 out of 4 patents)

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