Aiphone has a total of 2469 patents globally, out of which 1392 have been granted. Of these 2469 patents, more than 44% patents are active. The Japan is where Aiphone has filed the maximum number of patents, followed by United States of America and Europe. Parallelly, The Japan seems to be the main focused R&D center and also is the origin country of Aiphone.
Aiphone was founded in 1948. The Company wholesales electronic parts and communications equipment. The Company offers audio and video security systems, access control keypad, handset, card readers, emergency stations, intercom and wire.
Do read about some of the most popular patents of Aiphone which have been covered by us in this article and also you can find Aiphone patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Aiphone patent portfolio.
How many patents does the Founder and CEO of Aiphone have?
The CEO Shusaku Ichikawa have 0 patent.
How many patents does Aiphone have?
Aiphone has a total of 2469 patents globally. These patents belong to 2209 unique patent families. Out of 2469 patents, 1108 patents are active.
How Many Patents did Aiphone 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 | Aiphone Applications Filed | Aiphone Patents Granted |
| 2023 | 1 | 27 |
| 2022 | 27 | 61 |
| 2021 | 50 | 72 |
| 2020 | 61 | 79 |
| 2019 | 58 | 50 |
| 2018 | 92 | 82 |
| 2017 | 106 | 65 |
| 2016 | 121 | 110 |
| 2015 | 120 | 50 |
| 2014 | 67 | 71 |
| 2013 | 103 | 99 |
| 2012 | 121 | 89 |
How many Aiphone patents are Alive/Dead?
Worldwide Patents
How Many Patents did Aiphone File in Different Countries?
Countries in which Aiphone Filed Patents
| Country | Patents |
| Japan | 2165 |
| United States Of America | 74 |
| Europe | 47 |
| United Kingdom | 25 |
| China | 24 |
| Germany | 20 |
| Spain | 19 |
| Australia | 16 |
| Italy | 11 |
| France | 9 |
| Canada | 9 |
| Brunei | 6 |
| Korea (South) | 6 |
| Belgium | 4 |
| Thailand | 3 |
| Norway | 3 |
| Chile | 1 |
| Singapore | 1 |
| Viet Nam | 1 |
| Indonesia | 1 |
| Taiwan | 1 |
| Philippines | 1 |
Where are Research Centers of Aiphone Patents Located?
10 Best Aiphone Patents
JP2003099192A is the most popular patent in the Aiphone portfolio. It has received 139 citations so far from companies like Nippon, Sharp and Hitachi.
Below is the list of 10 most cited patents of Aiphone:
| Publication Number | Citation Count |
| JP2003099192A | 139 |
| JP2004260679A | 119 |
| JP2004128624A | 113 |
| JP2005151540A | 85 |
| JP2005278791A | 53 |
| USD595260S1 | 47 |
| USD588574S1 | 41 |
| USD561734S1 | 38 |
| USD686184S1 | 37 |
| USD505127S1 | 36 |
What Percentage of Aiphone US Patent Applications were Granted?
Aiphone (Excluding its subsidiaries) has filed 39 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 25 have been granted leading to a grant rate of 86.21%.
Below are the key stats of Aiphone patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for Aiphone?
| Law Firm | Total Applications | Success Rate |
| Procopio Cory Hargreaves & Savitch | 16 | 93.33% |
| Burr Patent Law | 12 | 66.67% |
| George A Loud Esquire | 3 | 100.00% |
| Lorusso & Loud | 2 | 100.00% |
| Bacon & Thomas | 1 | 100.00% |
| Birch Stewart Kolasch & Birch | 1 | 100.00% |
| George A Loud | 1 | 100.00% |
| Harness Dickey St Louis | 1 | 100.00% |
| K&L Gates | 1 | 0.00% |
| Nixon & Vanderhye | 1 | 0.00% |
What are Aiphone key innovation segments?
What Technologies are Covered by Aiphone?
The chart below distributes patents filed by Aiphone