Qingdao, China

Hao Zhang

This inventor holds 79 USPTO granted patents and 6 published patent applications and 67 EPO patents, primarily in Refrigerator Design (CPC class F25D). Top assignees: Haier Smart Home Co., Ltd., Qingdao Haier Joint Stock Co., Ltd., Qingdao Haier Refrigerator Co., Ltd.. Active years: 2019-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hao Zhang. Retrieved from https://idiyas.com/inventor/hao-zhang-7lo2zp9u

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 79 

% Patents Active = 97.5

 

Average Co-Inventor Count = 3.8

ph-index = 3

Forward Citations = 49(Granted Patents)

Forward Citations (Not Self Cited) = 23(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shandong, CN (2022)
  • Qingdao, CN (2019 - 2024)

Company Filing History:


Years Active: 2019-2026

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Areas of Expertise:
Refrigerator Door Assembly
Vertical Beam Assembly
Vacuum Storage Device
Hinge Assembly
Replaceable Door Panel
Storage Space
Embedded Refrigerator
Cavity Muffler
Door Body
Decorative Sheet
Air Supply Duct
79 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Hao Zhang - Redefining Refrigerator Technology

Introduction:

Hao Zhang, a prolific innovator based in Qingdao, China, has made significant strides in revolutionizing refrigerator technology. With an impressive portfolio of 50 patents, Zhang is at the forefront of developing cutting-edge solutions in the appliance industry.

Latest Patents:

In his latest patents, Zhang introduced a groundbreaking hinge assembly with a baffle for refrigerators. This innovative design aims to prevent dust and foreign particles from entering the hinge assembly, ensuring optimal functionality. Additionally, Zhang's patent showcases a refrigerator equipped with this advanced hinge assembly, enhancing user experience and convenience.

Career Highlights:

Zhang's illustrious career includes collaborations with renowned companies such as Haier Joint Stock Co., Ltd. and Haier Refrigerator Co., Ltd. His expertise and innovative approach have played a pivotal role in the success of these organizations, solidifying his reputation as a trailblazer in the field of appliance technology.

Collaborations:

Throughout his career, Zhang has collaborated with esteemed colleagues Enpin Xia and Xiaobing Zhu. Together, they have worked tirelessly to push the boundaries of innovation, resulting in groundbreaking solutions that have reshaped the industry landscape.

Conclusion:

Hao Zhang's visionary approach to appliance design, coupled with his relentless pursuit of innovation, has cemented his status as a pioneering inventor in the realm of refrigerator technology. His contributions continue to inspire and drive progress in the field, setting new standards for excellence and ingenuity.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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