Waltop has a total of 539 patents globally, out of which 282 have been granted. Of these 539 patents, more than 24% patents are active. China is where Waltop has filed the maximum number of patents, followed by Taiwan and United States of America. Parallelly, China seems to be the main focused R&D centre of Waltop.
Waltop was founded in the year 2004. Company provides digital input solutions. The company focuses on electromagnetic solutions.
Do read about some of the most popular patents of Waltop which have been covered by us in this article and also you can find Waltop patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Waltop patent portfolio.
How many patents does Waltop have?
Waltop has a total of 539 patents globally. These patents belong to 375 unique patent families. Out of 539 patents, 134 patents are active.
How Many Patents did Waltop 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 | Waltop Applications Filed | Waltop Patents Granted |
2011 | 33 | 23 |
2012 | 10 | 20 |
2013 | 41 | 17 |
2014 | 25 | 14 |
2015 | 62 | 12 |
2016 | 27 | 20 |
2017 | 16 | 12 |
2018 | 16 | 7 |
2019 | 30 | 18 |
2020 | 15 | 11 |
2021 | 12 | 17 |
2022 | – | 4 |
How many Waltop patents are Alive/Dead?

How Many Patents did Waltop File in Different Countries?

Countries in which Waltop Filed Patents
Country | Patents |
China | 200 |
Taiwan | 195 |
United States Of America | 112 |
Japan | 22 |
Europe | 5 |
Germany | 2 |
Austria | 1 |
Korea (South) | 1 |
Hong Kong (S.A.R.) | 1 |
Where are Research Centres of Waltop Patents Located?

10 Best Waltop Patents
USD461802S1 is the most popular patent in the Waltop portfolio. It has received 160 citations so far from companies like Sony, Apple, and Intel.
Below is the list of 10 most cited patents of Waltop:
Publication Number | Citation Count |
USD461802S1 | 160 |
US6808400B2 | 157 |
US20040130522A1 | 114 |
US20090267905A1 | 49 |
US20130162589A1 | 40 |
US20030146906A1 | 40 |
US20060284854A1 | 31 |
US20080129709A1 | 27 |
US20110193825A1 | 26 |
US20110084846A1 | 24 |