Tongkun Holding has a total of 1552 patents globally, out of which 1227 have been granted. Of these 1552 patents, more than 70% patents are active. China is where Tongkun Holding has filed the maximum number of patents, followed by the United States of America and Europe. Parallelly, China seems to be the main focused R&D centre and also is the origin country of Tongkun Holding.
Tongkun Holding was founded in 2001. Tongkun Holdings does business as an investing firm. The company offers a variety of services, including equity investments and funding for technology development. In addition to selling precious metals, Tongkun Holdings also runs other enterprises.
Do read about some of the most popular patents of Tongkun Holding which have been covered by us in this article and also you can find Tongkun Holding patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Tongkun Holding patent portfolio.
How many patents does Tongkun Holding have?
Tongkun Holding has a total of 1552 patents globally. These patents belong to 1537 unique patent families. Out of 1552 patents, 1088 patents are active.
How Many Patents did Tongkun Holding 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 | Tongkun Holding Applications Filed | Tongkun Holding Patents Granted |
| 2023 | – | 52 |
| 2022 | 209 | 249 |
| 2021 | 234 | 119 |
| 2020 | 167 | 116 |
| 2019 | 150 | 93 |
| 2018 | 120 | 107 |
| 2017 | 132 | 50 |
| 2016 | 64 | 52 |
| 2015 | 78 | 61 |
| 2014 | 49 | 42 |
| 2013 | 50 | 54 |
| 2012 | 45 | 55 |
| 2011 | 61 | 75 |
How many Tongkun Holding patents are Alive/Dead?
Worldwide Patents
How Many Patents did Tongkun Holding File in Different Countries?
Countries in which Tongkun Holding Filed Patents
| Country | Patent |
| China | 1537 |
| United States of America | 2 |
| Europe | 1 |
Where are Research Centers of Tongkun Holding Patents Located?
The Research Centers of Tongkun Holding Patents is China.
10 Best Tongkun Holding Patents
CN102443859A is the most popular patent in the Tongkun Holding portfolio. It has received 39 citations so far from companies like Wuxi Hengnuo Textile Technology, Zhejiang Nailon Fiber and Hangzhou Luosong Trading.
Below is the list of 10 most cited patents of Tongkun Holding:
| Publication Number | Citation Count |
| CN102443859A | 39 |
| CN102767075A | 19 |
| CN102517660A | 16 |
| CN201454331U | 16 |
| CN201339544Y | 15 |
| CN104328519A | 13 |
| US20130011262A1 | 12 |
| CN101463564A | 12 |
| CN102182059A | 11 |
| CN202101383U | 11 |