Qiang Cheng has filed 145 US patents, out of which no patents have been granted. Of these 145 patents, more than 81% patents are active. “Given stats based on the United States of America data”.
Qiang Cheng is the Associate Professor of University of Kentucky. Most oftenly, he published in the field of Computing, Instruments and Transmission.
Do read about some of the most popular patents of Qiang Cheng 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 Qiang Cheng patent portfolio.
How many patents does Qiang Cheng have?
Qiang Cheng has a total of 145 US patents. These patents belong to none of the unique patent families. Out of 145 patents, 118 patents are active.
How Many Patents did Qiang Cheng 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 Grant | Qiang Cheng Applications Filed | Qiang Cheng Patents Granted |
| 2021 | 6 | – |
| 2020 | 12 | – |
| 2019 | 8 | – |
| 2018 | 16 | – |
| 2017 | 8 | – |
| 2016 | 15 | – |
| 2015 | 10 | – |
| 2014 | 10 | – |
| 2013 | 11 | – |
| 2012 | 26 | – |
| 2011 | 23 | – |
How many Qiang Cheng patents are Alive/Dead?
How Many Patents did Qiang Cheng File in Different Countries?
Countries in which Qiang Cheng Filed Patents
| Country | Patents |
| China | 132 |
| Europe | 111 |
| Japan | 76 |
| Canada | 72 |
| Australia | 56 |
| Korea (South) | 48 |
| Brazil | 37 |
| Mexico | 23 |
| Russia | 18 |
| Taiwan | 14 |
| Spain | 14 |
| South Africa | 14 |
| Argentina | 11 |
| Singapore | 11 |
| New Zealand | 11 |
| Norway | 10 |
| Hong Kong (S.A.R.) | 9 |
| Germany | 7 |
| Malaysia | 5 |
| Israel | 4 |
| Colombia | 3 |
| Ukraine | 3 |
| India | 3 |
| United Kingdom | 2 |
| Tunisia | 2 |
| Africa | 2 |
| Chile | 2 |
| Peru | 2 |
| Eurasia | 2 |
| Portugal | 2 |
| Costa Rica | 1 |
| Austria | 1 |
| Poland | 1 |
| Africa | 1 |
| Georgia | 1 |
| Hungary | 1 |
| Ecuador | 1 |
Where are Research Centres of Qiang Cheng Patents Located?
10 Best Qiang Cheng Patents
US20120329038A1 is the most popular patent in the Qiang Cheng portfolio. It has received 327 citations so far from companies like SlipChip, Luminex Corporation and Life Technologies.
Below is the list of 10 most cited patents of Qiang Cheng:
| Publication Number | Citation Count |
| US20120329038A1 | 327 |
| US20130260861A1 | 319 |
| US20150172114A1 | 259 |
| US20130025466A1 | 179 |
| US20200275382A1 | 73 |
| US20130007653A1 | 64 |
| US20130184278A1 | 51 |
| US20180234150A1 | 51 |
| US20190289563A1 | 49 |
| US20130261798A1 | 48 |
How many inventions of other companies were rejected due to Qiang Cheng patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Qiang Cheng invention. They couldn’t because Qiang Cheng had protected those before them.
Examiners at the USPTO used 75 Qiang Cheng patents in 634 rejections (35 USC § 102 or 35 USC § 103 types).
The top companies who faced patents application rejections citing Qiang Cheng patent portfolio are Qualcomm, LG and Ericsson.
List of the Companies who’s Patents were rejected citing Qiang Cheng –
| Company | Number of Patents |
| Qualcomm | 65 |
| LG | 29 |
| Ericsson | 20 |
| Apple | 15 |
| Huawei | 15 |
| Samsung | 14 |
| Sony | 10 |
| Guangdong Oppo Mobile Telecommunications | 9 |
| Docomo | 8 |
| ZTE | 6 |
Count of 102 and 103 Type Rejections based on Qiang Cheng Patents
Top Qiang Cheng Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US20170302419A1 | 32 |
| US20130007653A1 | 23 |
| US20120257519A1 | 21 |
| US20160302203A1 | 14 |
| US20130107861A1 | 12 |
| US20150223149A1 | 12 |
| US20170063503A1 | 10 |
| US20160302092A1 | 8 |
| US20180332541A1 | 8 |
| US20140301301A1 | 8 |
| US20160234706A1 | 7 |
| US20130025466A1 | 7 |
| US20120168336A1 | 7 |
| US20150223245A1 | 7 |
| US20160183263A1 | 6 |