HHGrace Patents – Key Insights and Stats

HHGrace has a total of 5915 patents globally, out of which 3539 has been granted. Of these 5915 patents, more than 68% patents are active. China is where HHGrace has filed the maximum number of patents, followed by the USA and Taiwan and it also seems reasonable as the biggest market for HHGrace in China, it has generated annual revenue of $410 Million in the third quarter of the year 2020. Parallelly, China seems to be the main focused R&D center and is also the origin country of HHGrace.

HHGrace was founded in 2003 by Junjun Tang and is doing business in providing high-quality services and advanced value-added technologies, including embedded nonvolatile memory, high voltage, and low leakage processes. As of April 2022, HHGrace has a market cap of $4.84 Billion.

Do read about some of the most popular patents of HHGrace which have been covered by us in this article and also you can find HHGrace’s patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over HHGrace’s patent portfolio.

How many patents does HHGrace have?

HHGrace has a total of 5915 patents globally. These patents belong to 2682 unique patent families. Out of 5915 patents, 4080 patents are active.

How Many Patents did How many HHGrace File Every Year?

HHGrace Patent Filing Trends

Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.

Year of Patents Filing or GrantHHGrace Applications FiledHHGrace Patents Granted

How many HHGrace patents are Alive/Dead?

Worldwide Patents

HHGrace Patents

How Many Patents did HHGrace File in Different Countries?

HHGrace Patent Filing Worldwide

Countries in which HHGrace Filed Patents

United States Of America270

Where are Research Centers of Countries in which HHGrace Located?

Research Centers of HHGrace

10 Best HHGrace Patents

CN1831190A is the most popular patent in the HHGrace portfolio. It has received 39 citations so far from companies like AGC Flat Glass North America and MiTAC Precision Technology.

Below is the list of 10 most cited patents of HHGrace:

Publication NumberCitation Count

What Percentage of HHGrace US Patent Applications were Granted?

HHGrace (Excluding its subsidiaries) has filed 191 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 151 have been granted leading to a grant rate of 86.78%.

Below are the key stats of HHGrace patent prosecution at the USPTO.

Which Law Firms Filed Most US Patents for HHGrace?

Law FirmTotal ApplicationsSuccess Rate
Mkg Llc6785.48%
Harness Dickey Troy4482.93%
Muncy Geissler Olds & Lowe1994.74%
Murtha Cullina Llp1787.50%
Womble Bond Dickinson Us Llp1687.50%
Sinorica Llc10100.00%
Mccoy Russell Llp4100.00%
Rabin & Berdo4100.00%
The Law Office Of Lau & Associates475.00%
Lung Tin Llc1100.00%

Shanghai Huahong Grace Semiconductor Manufacturing has specialty process platforms uniquely focused on embedded non-volatile memory (“eNVM”), power discrete, analog & power management, and logic & RF. The Company also has strong capabilities and rich experience in mass production in power discrete technologies.

Shanghai Huahong Grace Semiconductor Manufacturing is providing a wide range of products in diverse markets, including consumer electronics, communications, computing, industrial and automotive.


What are HHGrace’s key innovation segments?

What Technologies are Covered by HHGrace Patents?

The chart below distributes patents filed by HHGrace in different countries on the basis of the technology protected in patents. It also represents the markets where HHGrace thinks it’s important to protect particular technology inventions.

R&D FocusHow HHGrace Research Focus Changed Over the Years?


Interested in knowing about the areas of innovation that are being protected by HHGrace?

Table of Content

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Our comprehensive report provides an in-depth look into the patent portfolio. The report includes a breakdown of the patent portfolio across various technologies, listing the patent along with brief summaries of each patent's technology.