Chunqing Liu Patents – Key Insights and Stats

Chunqing Liu has filed 121 US patents. Of these 121 patents, more than 67% patents are active. “Given stats based on the United States of America data”.

Chunqing Liu currently associated with Honeywell as an R&D Fellow and Senior Manager. Previously he has worked with the University of Illinois and Northwestern University as Research Associate. Most oftenly, he published in the field of Organic chemistry and Membrane technology.

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 tend over the years, the worldwide coverage, and many other stats over Chunqing Liu patent portfolio.

How many patents does Chunqing Liu have?

Chunqing Liu has a total of 121 US patents. These patents belong to 115 unique patent families. Out of 121 patents, 82 patents are active.

How Many Patents did Chunqing Liu File Every Year?

Chunqing Liu Patents Filing Trend

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
20211
20194
20188
201718
20162
201510
201426
201314
201218
201120

How many Chunqing Liu patents are Alive/Dead?

Chunqing Liu Patents Portfolio

How Many Patents did Chunqing Liu File in Different Countries?

Chunqing Liu Worldwide Patents

Countries in which Chunqing Liu Filed Patents

CountryPatents
China43
Europe42
Japan27
Canada21
Korea (South)16
Malaysia14
Australia10
Russia9
Brazil8
Taiwan7
Denmark4
Germany4
Spain4
Singapore3
Portugal3
Mexico3
Poland3
Saudi Arabia2
Hungary2
Hong Kong (S.A.R.)2
India2
Turkey1
Slovenia1
Croatia1
Serbia1
San Marino1
Eurasia1
Cyprus1
Argentina1
New Zealand1

10 Best Chunqing Liu Patents

US20110184581A1 is the most popular patent in the Chunqing Liu portfolio. It has received 60 citations so far from companies like Demi Energy, Basen Corporation and Asoka USA Corporation.

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

Publication NumberCitation Count
US20110184581A160
US20120295852A150
US20150088844A146
US20140081550A138
US20120323059A137
US20120157743A130
US20130079880A126
US20120107242A124
US20140290478A124
US20130146538A122

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 42 Chunqing Liu patents in 149 rejections (35 USC § 102 or 35 USC § 103 types).

The top companies who faced patents application rejections citing Chunqing Liu patent portfolio are Uop Llc, IBM, and Naurex.

List of the Companies who’s Patents were rejected citing Chunqing Liu –

CompanyNumber of Patent Applications that faced Rejection Citing Chunqing Liu PatentsNumber of Rejections (102 & 103)
Uop Llc1021
IBM36
Naurex28
LG Display22
Asoka Usa Corporation25
Sabic25
Department Of Energy24
Lifetime Income Technologies Inc11
The Bank Of New York Mellon Trust Company Na12
Renaissance Energy Research11

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
US20110184581A110
US20150088844A16
US20120323059A14
US20170354918A14
US20120322646A13
US20120107242A13
US20130083880A13
US20120322911A13
US20140020557A13
US20120322119A12
US20150120337A12
US20150020965A12
US20120157743A12
US20130079880A12
US20130000729A12

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?

Updated on November 16, 2022

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