Chunqing Liu Patents – Insights & Stats

Chunqing Liu has filed 397 patents, out of which 179 have been granted. Of these 397 patents, more than 42% patents are active. Out of these 397 patents, 154 patents filed only in the US, out of which 97 patents has been granted.

Do read about some of the most popular patents of Chunqing Liu which have been covered by us in this article and also you can find his patents filing trend over the years, the worldwide coverage and many other stats over Chunqing Liu patent portfolio.

The data of inventors patents made available here is solely intended for informational purposes. Although we make every effort to maintain the accuracy and comprehensiveness of the provided information, we cannot guarantee that all data is completely free of errors or entirely up-to-date. If you happen to be the Inventor and wish to contribute additional data for your respective portfolio, kindly get in touch with us.

How many patents does Chunqing Liu have?

Chunqing Liu has a total of 397 patents. These patents belong to 123 unique patent families. Out of 397 patents, 167 patents are active.

How Many Patents did Chunqing Liu File Every Year?

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 GrantChunqing Liu Applications FiledChunqing Liu Patents Granted
20231
20221117
20212112
2020518
20191815
2018395
2017308
20161022
20152117
20143020
20132613
20122511

How many Chunqing Liu patents are Alive/Dead?

How Many Patents did Chunqing Liu File in Different Countries?

Countries in which Chunqing Liu Filed Patents

CountryPatents
United States Of America154
China33
Malaysia22
Europe21
Japan16
Canada14
Brazil12
Korea (South)12
Australia10
Russia7
Saudi Arabia2
Argentina2
Singapore2
India1
Taiwan1

Where are Research Centres of Chunqing Liu Patents Located?

10 Best Chunqing Liu Patents

US20090277837A1 is the most popular patent in the Chunqing Liu portfolio. It has received 122 citations so far from companies like Siluria Technologies, Inc, Uop Llc, Inc, and Lummus Technology Llc.

Below is the list of 10 most cited patents of Chunqing Liu:

Publication NumberCitation Count
US20090277837A1122
US7410525B1113
US7637983B1111
US8127937B278
US8127936B277
US7485173B166
US7943543B163
US20090114089A158
US7758751B153
US20090149565A144

How many inventions of other companies were rejected due to Chunqing Liu patents?

The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Chunqing Liu invention. They couldn’t because Chunqing Liu had protected those before them.

Examiners at the USPTO used 65 Chunqing Liu patents in 339 rejections (35 USC § 102 or 35 USC § 103 types).

The top companies whose faced patents application rejections citing Chunqing Liu patent portfolio are Honeywell, Fujifilm, and Ube Corp.

List of the Companies whose Patents were rejected citing Chunqing Liu –

CompanyNumber of Patent Applications that faced Rejection Citing Chunqing Liu PatentsNumber of Rejections (102 & 103)
Honeywell4291
Fujifilm69
Ube Corp68
3M55
Utc Aerospace Systems512
Sabic Global Technologies Bv519
Air Liquide57
Samsung Electronics23
Shin Etsu Polymer Co Ltd11
Dow Global Technologies Inc13

Count of 102 and 103 Type Rejections based on Chunqing Liu Patents

Top Chunqing Liu Patents used in Rejecting Most Patent Applications

Patent NumberCount of Rejected Applications
US20090277837A116
US8366804B216
US7637983B18
US7758751B17
US10471381B26
US8016124B25
US8613362B25
US20090114089A15
US8048198B24
US8704030B24
US8710173B24
US20090126567A14
US8561812B23
US8337598B23
US8083833B23

What are Chunqing Liu key innovation segments?

What Technologies are Covered by Chunqing Liu?

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

R&D Focus: How has Chunqing Liu search focus changed over the years?

EXCLUSIVE INSIGHTS COMING SOON!

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

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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.