Kyulux has a total of 745 patents globally, out of which 346 have been granted. Of these 745 patents, more than 78% patents are active. Japan is where Kyulux has filed the maximum number of patents, followed by United States of America and China. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Kyulux.
Kyulux founded in 2015 in Japan, Kyulux develops next-generation OLED materials using exclusively licensed Hyperfluorescence™ TADF technology from Kyushu University. Combining TADF and fluorescence emitters, its OLEDs deliver 100% internal quantum efficiency, high color purity, and low production cost. The technology, invented by Dr. Chihaya Adachi, is exclusively licensed to Kyulux.
Do read about some of the most popular patents of Kyulux which have been covered by us in this article and also you can find Kyulux patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Kyulux patent portfolio.
How many patents does Kyulux have?
Kyulux has a total of 745 patents globally. These patents belong to 180 unique patent families. Out of 745 patents, 579 patents are active.
How Many Patents did Kyulux 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 | Kyulux Applications Filed | Kyulux Patents Granted |
| 2025 | 2 | 38 |
| 2024 | 36 | 37 |
| 2023 | 67 | 48 |
| 2022 | 126 | 33 |
| 2021 | 99 | 32 |
| 2020 | 16 | 32 |
| 2019 | 83 | 45 |
| 2018 | 71 | 47 |
| 2017 | 33 | 21 |
| 2016 | 23 | 5 |
How many Kyulux patents are Alive/Dead?
Worldwide Patents
How Many Patents did Kyulux File in Different Countries?
Countries in which Kyulux Filed Patents
| Country | Patents |
| Japan | 165 |
| United States of America | 129 |
| China | 114 |
| Korea (South) | 89 |
| Taiwan | 53 |
| Europe (EPO) | 46 |
| Germany | 22 |
| Austria | 12 |
| Spain | 2 |
Where are Research Centres of Kyulux Patents Located?
10 Best Kyulux Patents
WO2015080182A1 is the most popular patent in the Kyulux portfolio. It has received 152 citations so far from companies like Dyden Co Ltd, Power Oleds Limited and Samsung Display.
Below is the list of 10 most cited patents of Kyulux:
| Publication Number | Citation Count |
| WO2015080182A1 | 152 |
| WO2015072537A1 | 145 |
| WO2015137202A1 | 135 |
| WO2015080183A1 | 132 |
| WO2015129715A1 | 121 |
| WO2015072470A1 | 112 |
| WO2015133501A1 | 111 |
| WO2015129714A1 | 110 |
| WO2015146541A1 | 107 |
| WO2015108049A1 | 106 |
What Percentage of Kyulux US Patent Applications were Granted?
Kyulux (Excluding its subsidiaries) has filed 121 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 72 have been granted leading to a grant rate of 85.71%.
Below are the key stats of Kyulux patent prosecution at the USPTO.
Which Law Firms are managing US Patents for Kyulux?
| Law Firm | Total Applications | Success Rate |
| Fisherbroyles Llp | 113 | 85.53% |
| Locke Lord Llp | 5 | 100.00% |
| Foley Hoag Llp | 2 | 50.00% |
| Wenderoth Lind & Ponack Llp | 1 | 100.00% |
What are Kyulux key innovation segments?
What Technologies are Covered by Kyulux?
The chart below distributes patents filed by Kyulux in different countries on the basis of the technology protected in patents. It also represents the markets where Kyulux thinks it’s important to protect particular technological inventions.
R&D Focus: How has Kyulux search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Kyulux?
