For the Inventor, By the Inventor

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Shenzhen, China

Shenzhen Guohua Optoelectronics Co., Ltd.

USPTO Granted Patents = 20

EPO Patents = 3

Forward Citations = 0

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36 inventors (with patents filed for the assignee):

Guofu Zhou (20 out of 28 patents)

Xiaowen Hu (8 out of 10 patents)

Wei Zhao (4 out of 21 patents)

4. Haitao Sun (3 out of 5 patents)

5. Fahong Li (3 out of 3 patents)

6. Robert Andrew Hayes (3 out of 3 patents)

7. Nan Li (3 out of 32 patents)

8. Qiumei Nie (2 out of 2 patents)

9. Weijie Zeng (2 out of 2 patents)

10. Laurens De Haan (2 out of 2 patents)

11. Hao Li (1 out of 86 patents)

12. Hao Wu (1 out of 233 patents)

13. Nan Li (1 out of 53 patents)

14. Rui Zhou (1 out of 1 patent)

15. Hongwei Jiang (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12228758 - Liquid crystal multilayer film and preparation method thereof (2025-02-18),

2. 11835831 - Infrared reflection device with adjustable reflection proportion (2023-12-05),

3. 11579477 - Electrically controlled smart window, preparation method thereof, and light-adjusting method thereof (2023-02-14),

4. 11505745 - Use of zwitterion dopant in preparation of dynamic-scattering-mode-based liquid crystal material (2022-11-22),

5. 11498989 - Water-responsive interpenetrating polymer network, preparation method and use thereof (2022-11-15),

6. 11256008 - Laser protective film and laser protective device comprising the same (2022-02-22),

7. 11215811 - Drying-wetting separated filling method and filling apparatus for electrowetting display device (2022-01-04),

8. 11181733 - Method for preparing electrowetting display support plate (2021-11-23),

9. 11175436 - Dye-doped laser protective film (2021-11-16),

10. 11168256 - Liquid crystal mixture and temperature-responsive infrared reflection device (2021-11-09),

11. 11143902 - Total-reflection infrared reflection device and preparation method thereof (2021-10-12),

12. 11079631 - Preparation method for a temperature-responsive light reflecting coating and the light reflecting coating (2021-08-03),

13. 11067866 - Multi-stable electroresponsive smart window and preparation method thereof (2021-07-20),

14. 10991322 - Bistable driving method for electrowetting display and related electrowetting display (2021-04-27),

15. 10942402 - Electric response infrared reflection device and preparation method thereof (2021-03-09),

SHENZHEN GUOHUA OPTOELECTRONICS CO., LTD. is a leading manufacturer and supplier of optoelectronic products in Shenzhen, China. With years of experience, we specialize in the development, production, and sale of LED lighting products, including LED bulbs, LED tubes, LED panel lights, LED strips, and more. We are committed to providing high-quality and energy-efficient lighting solutions to our customers worldwide. Visit our website for more information about our products and services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

20 Patents

#167 in Shenzhen

#1,310 in China

#30,346 in the World

Shenzhen, China

Shenzhen Guohua Optoelectronics Co., Ltd.

Forward Citations = 0

36 inventors:

Guofu Zhou (20 out of 28 patents)

Xiaowen Hu (8 out of 10 patents)

Wei Zhao (4 out of 21 patents)

4. Haitao Sun (3 out of 5 patents)

5. Fahong Li (3 out of 3 patents)

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