Qiang Cheng has filed 114 patents, out of which 46 have been granted. Of these 114 patents, more than 66% patents are active. Out of these 114 patents 40 patents filed only in the US, out of which 23 patents has been granted.
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 trend over the years, the worldwide coverage and many other stats over Qiang Cheng 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 Qiang Cheng have?
Qiang Cheng has a total of 114 patents. These patents belong to 28 unique patent families. Out of 114 patents, 76 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 |
| 2023 | – | 8 |
| 2022 | 8 | 5 |
| 2021 | 7 | 3 |
| 2020 | 6 | 4 |
| 2019 | 33 | 3 |
| 2018 | 6 | 5 |
| 2017 | 8 | 2 |
| 2016 | 1 | 4 |
| 2015 | 2 | 1 |
| 2014 | 3 | 4 |
| 2013 | 8 | 1 |
| 2012 | 1 | 4 |
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 |
| United States Of America | 40 |
| China | 19 |
| Europe | 9 |
| Japan | 7 |
| Australia | 6 |
| United Kingdom | 5 |
| Canada | 4 |
| Korea (South) | 3 |
| Germany | 2 |
| Chile | 1 |
| Brazil | 1 |
| Mexico | 1 |
| Russia | 1 |
| Israel | 1 |
Where are Research Centres of Qiang Cheng Patents Located?
10 Best Qiang Cheng Patents
WO2010021736A2 is the most popular patent in the Qiang Cheng portfolio. It has received 58 citations so far from companies like Elwha Llc, and The Invention Science Fund I Llc.
Below is the list of 10 most cited patents of Qiang Cheng:
| Publication Number | Citation Count |
| WO2010021736A2 | 58 |
| US20190184560A1 | 54 |
| US6892175B1 | 51 |
| US20140214401A1 | 50 |
| US20080044097A1 | 22 |
| WO2019246203A1 | 21 |
| WO2020051223A1 | 17 |
| WO2020051220A1 | 14 |
| WO2014117549A1 | 13 |
| US20190176325A1 | 12 |