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Shenzhen, China

Shenzhen Grandsun Electronic Co., Ltd.

USPTO Granted Patents = 69

EPO Patents = 10

Trademarks = 5

Forward Citations = 1,046

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83 inventors (with patents filed for the assignee):

Haiquan Wu (59 out of 60 patents)

Ruiwen Shi (47 out of 48 patents)

Jiugao Peng (26 out of 27 patents)

4. Enqin Zhang (12 out of 12 patents)

5. Xin Yu (10 out of 42 patents)

6. Lei Cao (10 out of 35 patents)

7. Shiwen Guo (10 out of 11 patents)

8. Weili Chen (9 out of 10 patents)

9. Wu Haiquan (9 out of 9 patents)

10. Shi Ruiwen (9 out of 9 patents)

11. Chuan Wang (8 out of 16 patents)

12. Zhonghui Tang (8 out of 8 patents)

13. Peng Jiugao (7 out of 7 patents)

14. Mickael Bernard Andre Lefebvre (5 out of 5 patents)

15. Weiyong Gong (5 out of 5 patents)

Core Competencies:

Wireless Earphones

Bluetooth Connection

Audio Signal Processing

True Wireless Stereo

Noise Canceling

Earphone Charging Case

Audio Input/Output Device

Radial Magnetic Circuit

Voice Input/Output Device

Wireless Headset

Portable Charger

AR Glasses

69 patents: Sort by Forward Citations

1. D1056874 - Pair of earphones (2025-01-07),

2. D1042407 - Earphone (2024-09-17),

3. 11991494 - Keyless control device and earphone (2024-05-21),

4. D1026856 - Pair of wireless earphones (2024-05-14),

5. D996399 - Wireless earphone (2023-08-22),

6. 11716063 - Method and apparatus for playing audio, and computer-readable storage (2023-08-01),

7. D991912 - Wireless earphone (2023-07-11),

8. D991911 - Pair of wireless earbuds (2023-07-11),

9. D991226 - Wireless headset (2023-07-04),

10. D991216 - Wireless headset (2023-07-04),

11. D971872 - Voice input/output device (2022-12-06),

12. D968355 - Headset (2022-11-01),

13. 11445145 - Method and device for controlling camera shooting, smart device and computer storage medium (2022-09-13),

14. 11387027 - Radial magnetic circuit assembly device and radial magnetic circuit assembly method (2022-07-12),

15. D953287 - Headphone (2022-05-31),

SHENZHEN GRANDSUN ELECTRONIC CO., LTD. is a leading manufacturer of electronic components and products based in Shenzhen, China. With over 10 years of experience, they specialize in the design, development, and production of high-quality electronic products for a wide range of industries. Their product range includes sensors, connectors, switches, cables, and various other electronic components. Committed to providing excellent quality and service, they strive to meet the specific requirements of their customers and ensure customer satisfaction. Visit their website for more information on their products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

69 Patents

#57 in Shenzhen

#426 in China

#10,492 in the World

Shenzhen, China

Shenzhen Grandsun Electronic Co., Ltd.

Forward Citations = 1,046

83 inventors:

Haiquan Wu (59 out of 60 patents)

Ruiwen Shi (47 out of 48 patents)

Jiugao Peng (26 out of 27 patents)

4. Enqin Zhang (12 out of 12 patents)

5. Xin Yu (10 out of 42 patents)

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