Rigaku Corporation has a total of 2340 patents globally, out of which 1543 have been granted. Of these 2340 patents, more than 46% patents are active. Japan is where Rigaku Corporation has filed the maximum number of patents, followed by United States of America and Germany. Parallelly, Japan seems to be the main focused R&D centre of Rigaku Corporation.
Rigaku Corporation was founded in the year 1951. Company is an international manufacturer and distributor of scientific, analytical and industrial instrumentation specializing in X-ray related technologies.
Do read about some of the most popular patents of Rigaku Corporation which have been covered by us in this article and also you can find Rigaku Corporation patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Rigaku Corporation patent portfolio.
How many patents does Rigaku Corporation have?
Rigaku Corporation has a total of 2340 patents globally. These patents belong to 1193 unique patent families. Out of 2340 patents, 1078 patents are active.
How Many Patents did Rigaku Corporation 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 | Rigaku Corporation Applications Filed | Rigaku Corporation Patents Granted |
2022 | 28 | 76 |
2021 | 59 | 86 |
2020 | 104 | 65 |
2019 | 146 | 73 |
2018 | 85 | 70 |
2017 | 115 | 69 |
2016 | 82 | 78 |
2015 | 86 | 65 |
2014 | 96 | 90 |
2013 | 91 | 64 |
2012 | 80 | 73 |
2011 | 99 | 61 |
How many Rigaku Corporation patents are Alive/Dead?

How Many Patents did Rigaku Corporation File in Different Countries?

Countries in which Rigaku Corporation Filed Patents
Country | Patents |
Japan | 1058 |
United States Of America | 357 |
Germany | 217 |
Europe | 209 |
China | 148 |
Korea (South) | 51 |
Taiwan | 28 |
United Kingdom | 25 |
Netherlands | 18 |
Canada | 17 |
Australia | 8 |
Austria | 4 |
Russia | 4 |
India | 3 |
Poland | 3 |
Brazil | 3 |
Israel | 3 |
Malaysia | 2 |
Singapore | 2 |
Hungary | 2 |
France | 1 |
Japan | 1058 |
Where are Research Centres of Rigaku Corporation Patents Located?

10 Best Rigaku Corporation Patents
US6456691B2 is the most popular patent in the Rigaku Corporation portfolio. It has received 106 citations so far from companies like Oxford Instruments, Koninklijke Philips Electronics, and Siemens.
Below is the list of 10 most cited patents of Rigaku Corporation:
Publication Number | Citation Count |
US6456691B2 | 106 |
US20040258203A1 | 95 |
US6637473B2 | 79 |
WO2003002997A1 | 75 |
US6807251B2 | 72 |
US6504902B2 | 68 |
US20030157559A1 | 64 |
US6385289B1 | 62 |
JP2012159311A | 48 |
US6456688B1 | 47 |