Dena Co Ltd has a total of 1646 patents globally, out of which 646 have been granted. Of these 1646 patents, 55% patents are active. Japan is where Dena Co Ltd has filed the maximum number of patents, followed by the United States of America and China. Parallelly, Japan seems to be the main focused R&D centre and is the origin country of Dena Co Ltd.
Dena Co Ltd was founded in 1999. Dena Co Ltd is a company specializing in mobile and online services. It operates across various sectors, including gaming, e-commerce, live streaming, healthcare and sports. Notably, Dena manages the Mobage platform for mobile games and owns sports teams like the Yokohama Dena BayStars baseball team.
Do read about some of the most popular patents of Dena Co Ltd which have been covered by us in this article and also you can find Dena Co Ltd patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Dena Co Ltd patent portfolio.
How many patents does Dena Co Ltd have?
Dena Co Ltd has a total of 1646 patents globally. These patents belong to 1120 unique patent families. Out of 1646 patents, 907 patents are active.
How Many Patents did Dena Co Ltd 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 | Applications Filed | Patents Granted |
2025 | 6 | 13 |
2024 | 28 | 43 |
2023 | 62 | 62 |
2022 | 79 | 44 |
2021 | 64 | 37 |
2020 | 49 | 43 |
2019 | 96 | 64 |
2018 | 118 | 53 |
2017 | 112 | 65 |
2016 | 87 | 67 |
2015 | 196 | 59 |
How many Dena Co Ltd patents are Alive/Dead?
Worldwide Patents
How Many Patents did Dena Co Ltd File in Different Countries?
Countries in which Dena Co Ltd Filed Patents
Country | Patents |
Japan | 1208 |
United States of America | 271 |
China | 52 |
Korea (South) | 36 |
Europe (EPO) | 16 |
Germany | 4 |
Austria | 4 |
Brazil | 2 |
Canada | 1 |
Where are Research Centers of Dena Co Ltd Patents Located?
Best Dena Co Ltd Patents
JP2013247977A is the most popular patent in the Dena Co Ltd portfolio. It has received 149 citations so far from companies like Gree Inc, Sega Games Co Ltd and Mixi Inc.
Below is the list of most cited patents of Dena Co Ltd:
Publication Number | Count of Forward Citations |
JP2013247977A | 149 |
US20140073436A1 | 95 |
JP2013202322A | 89 |
JP2014090974A | 65 |
US8821297B1 | 50 |
US20140302935A1 | 46 |
JP2017121021A | 41 |
JP2013230229A | 40 |
JP2015223388A | 38 |
JP2015114961A | 36 |
What Percentage of Dena Co Ltd US Patent Applications were Granted?
Dena Co Ltd (Excluding its subsidiaries) has filed 259 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 169 has been granted leading to a grant rate of 65.25%.
Below are the key stats of Dena Co Ltd patent prosecution at the USPTO.
Which Law Firms are Managing US Patents for Dena Co Ltd?
Law Firm | Total Applications | Success Rate |
Procopio Cory Hargreaves & Savitch Llp | 102 | 69.61% |
Pillsbury Winthrop Shaw Pittman Llp | 76 | 53.95% |
Rothwell Figg Ernst & Manbeck Pc | 27 | 74.07% |
IPUSA Pllc | 25 | 72.00% |
Ampacc Law Group Pllc | 14 | 57.14% |
Osha Bergman Watanabe & Burton Llp | 9 | 66.67% |
Nixon & Vanderhye Pc | 4 | 100.00% |
Frost Brown Todd Llp | 1 | 0.00% |
Posz Law Group Plc | 1 | 100.00% |
What are Dena Co Ltd key innovation segments?
What Technologies are Covered by Dena Co Ltd?

The chart below distributes patents filed by Dena Co Ltd in different countries on the basis of the technology protected in patents. It also represents the markets where Dena Co Ltd thinks it’s important to protect particular technological inventions.

R&D Focus: How has Dena Co Ltd search focus changed over the years?

EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Dena Co Ltd?