Electric Power Development has a total of 976 patents globally, out of which 623 have been granted. Of these 976 patents, more than 86% patents are active. Japan is where Electric Power Development has filed the maximum number of patents, followed by China and the United States of America. Parallelly, Japan seems to be the main focused R&D centre and also is the origin country of Electric Power Development.
Electric Power Development was founded in 1952. Electric Power Development utilises hydroelectric, wind, nuclear, coal-fired, and other thermal power facilities around Japan to produce, transfer, distribute, and sell electric power.
Do read about some of the most popular patents of Electric Power Development which have been covered by us in this article and also you can find Electric Power Development patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Electric Power Development patent portfolio.
How many patents does Electric Power Development have?
Electric Power Development has a total of 976 patents globally. These patents belong to 714 unique patent families. Out of 976 patents, 453 patents are active.
How Many Patents did Electric Power Development 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 | Electric Power Development Applications Filed | Electric Power Development Patents Granted |
| 2023 | – | 7 |
| 2022 | 9 | 15 |
| 2021 | 18 | 12 |
| 2020 | 21 | 27 |
| 2019 | 13 | 31 |
| 2018 | 19 | 58 |
| 2017 | 80 | 24 |
| 2016 | 19 | 28 |
| 2015 | 18 | 31 |
| 2014 | 42 | 47 |
| 2013 | 18 | 70 |
| 2012 | 25 | 56 |
| 2011 | 16 | 43 |
How many Electric Power Development patents are Alive/Dead?
Worldwide Patents
How Many Patents did Electric Power Development File in Different Countries?
Countries in which Electric Power Development Filed Patents
| Country | Patent |
| Japan | 571 |
| China | 138 |
| United States Of America | 40 |
| Australia | 26 |
| Europe | 25 |
| Germany | 23 |
| Korea (South) | 16 |
| Poland | 13 |
| Spain | 13 |
| Indonesia | 9 |
| India | 9 |
| Taiwan | 8 |
| Viet Nam | 4 |
| Philippines | 3 |
| Italy | 3 |
| Hong Kong (S.A.R.) | 2 |
| United Kingdom | 2 |
| Thailand | 2 |
| Portugal | 2 |
| Brazil | 1 |
| Chile | 1 |
| Canada | 1 |
| Malaysia | 1 |
| South Africa | 1 |
| Norway | 1 |
| Russia | 1 |
Where are Research Centers of Electric Power Development Patents Located?
10 Best Electric Power Development Patents
JP2008115057A is the most popular patent in the Electric Power Development portfolio. It has received 234 citations so far from companies like Hamamatsu Photonics, Asahi Glass, Guardian Glass.
Below is the list of 10 most cited patents of Electric Power Development:
| Publication Number | Citation Count |
| JP2008115057A | 234 |
| JP2008226552A | 51 |
| JP2010022217A | 46 |
| JP2003254503A | 43 |
| US20090288705A1 | 39 |
| JP2006027948A | 39 |
| JP2007073401A | 35 |
| JP2005190833A | 35 |
| JP2005098181A | 34 |
| JP2007330215A | 33 |
What Percentage of Electric Power Development US Patent Applications were Granted?
Electric Power Development (Excluding its subsidiaries) has filed 50 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 37 have been granted leading to a grant rate of 77.08%.
Below are the key stats of Electric Power Development patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Electric Power Development?
| Law Firm | Total Applications | Success Rate |
| Oblon Mcclelland Maier & Neustadt | 10 | 80.00% |
| Knobbe Martens Olson & Bear | 4 | 50.00% |
| Wenderoth Lind & Ponack | 4 | 100.00% |
| Whda | 4 | 50.00% |
| Birch Stewart Kolasch & Birch | 3 | 100.00% |
| Buchanan Ingersoll & Rooney | 3 | 100.00% |
| Hunton Andrews Kurth | 3 | 33.33% |
| Kerkam Stowell Kondracki & Clarke | 2 | 100.00% |
| Arlington Ladas & Parry | 1 | 100.00% |
| Craig & Antonelli | 1 | 0.00% |
What are Electric Power Development key innovation segments?
What Technologies are Covered by Electric Power Development?
The chart below distributes patents filed by Electric Power Development