Deng-Yang Jan has filed 463 patents, out of which 238 have been granted. Of these 463 patents, more than 35% patents are active. Out of these 463 patents, 159 patents filed only in the US, out of which 116 patents has been granted.
Do read about some of the most popular patents of Deng-Yang Jan 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 Deng Yang Jan 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 Deng-Yang Jan have?
Deng-Yang Jan has a total of 463 patents. These patents belong to 105 unique patent families. Out of 463 patents, 165 patents are active.
How Many Patents did Deng-Yang Jan 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 | Deng-Yang Jan Applications Filed | Deng-Yang Jan Patents Granted |
| 2023 | – | 1 |
| 2022 | – | 5 |
| 2021 | 8 | 11 |
| 2020 | 8 | 4 |
| 2019 | 2 | 12 |
| 2018 | 12 | 6 |
| 2017 | 18 | 13 |
| 2016 | 17 | 9 |
| 2015 | 25 | 27 |
| 2014 | 26 | 24 |
| 2013 | 53 | 25 |
| 2012 | 14 | 11 |
How many Deng-Yang Jan patents are Alive/Dead?
How Many Patents did Deng-Yang Jan File in Different Countries?
Countries in which Deng-Yang Jan Filed Patents
| Country | Patents |
| United States Of America | 159 |
| Europe | 42 |
| China | 42 |
| Korea (South) | 27 |
| Japan | 25 |
| Taiwan | 17 |
| Brazil | 15 |
| Russia | 13 |
| Canada | 10 |
| Singapore | 9 |
| Spain | 7 |
| Argentina | 6 |
| Germany | 6 |
| Malaysia | 5 |
| Austria | 3 |
| Australia | 3 |
| India | 2 |
| South Africa | 2 |
| Mexico | 2 |
| Saudi Arabia | 1 |
| Poland | 1 |
Where are Research Centres of Deng-Yang Jan Patents Located?
The research center of all the Deng-Yang Jan patents is the United States of America.
10 Best Deng-Yang Jan Patents
US6756030B1 is the most popular patent in the Deng-Yang Jan portfolio. It has received 368 citations so far from companies like ExxonMobil, Basf, and Badger Licensing Llc.
Below is the list of 10 most cited patents of Deng-Yang Jan:
| Publication Number | Citation Count |
| US6756030B1 | 368 |
| US4788371A | 179 |
| US4786625A | 118 |
| US7205448B2 | 114 |
| US6710003B2 | 98 |
| US7713513B2 | 90 |
| US6776975B2 | 88 |
| US4827072A | 80 |
| US4914075A | 59 |
| US6376730B1 | 55 |
How many inventions of other companies were rejected due to Deng-Yang Jan patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Deng-Yang Jan invention. They couldn’t because Deng-Yang Jan had protected those before them.
Examiners at the USPTO used 46 Deng-Yang Jan patents in 213 rejections (35 USC § 102 or 35 USC § 103 types).
The top companies whose faced patents application rejections citing Deng-Yang Jan patent portfolio are Honeywell, Exxonmobil, and Mitsui Mining & Smelting Co Ltd.
List of the Companies whose Patents were rejected citing Deng-Yang Jan –
| Company | Number of Patent Applications that faced Rejection Citing Deng-Yang Jan Patents | Number of Rejections (102 & 103) |
| Honeywell | 37 | 117 |
| Exxonmobil | 11 | 20 |
| Mitsui Mining & Smelting Co Ltd | 4 | 6 |
| Basf | 3 | 3 |
| Fina Technology | 3 | 12 |
| Badger Licensing Llc | 2 | 5 |
| Sabic Global Technologies Bv | 2 | 5 |
| Hanwha Total Petrochemical Co Ltd | 2 | 3 |
| Shell Usa Inc | 1 | 2 |
| Eneos Corporation | 1 | 5 |
Count of 102 and 103 Type Rejections based on Deng-Yang Jan Patents
Top Deng-Yang Jan Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7655824B2 | 6 |
| US7626064B1 | 5 |
| US7744828B2 | 5 |
| US7091390B2 | 5 |
| US7268267B2 | 5 |
| US6756030B1 | 4 |
| US4914075A | 4 |
| US20080249346A1 | 4 |
| US4827072A | 4 |
| US6417419B1 | 4 |
| US20080312482A1 | 3 |
| US8518847B2 | 3 |
| US7439409B1 | 3 |
| US8138385B2 | 2 |
| US7638667B2 | 2 |