Which country’s inventors have filed max patents in the US?

The table below has a list of the top 50 countries from where inventors have filed maximum patents in the USA between Jan 1981 and May 2021. You can find the top 100 inventors in the US here: Top 100 Inventors who have the most patents

CountryNumber of Filings by Inventors
United States14774967
Japan4651256
Germany1666504
Korea1323367
Taiwan827321
China744540
Canada642106
United Kingdom636245
France583647
Israel306579
India252105
Italy246318
Netherlands244715
Switzerland239604
Sweden213969
Australia161689
Belgium125468
Finland117474
Denmark95273
Austria93485
Spain79966
Singapore79659
Ireland54314
Russian Federation52265
Norway43198
Hong Kong37614
Brazil34254
New Zealand29181
Hungary26495
Saudi Arabia25393
Mexico21821
Malaysia19241
Poland17687
South Africa16123
Czech Republic15659
Soviet Union11499
Turkey9448
Argentina8795
Greece7519
Portugal7473
Luxembourg7090
Ukraine6689
Thailand6437
Romania5262
Philippines5196
Chile4521
Slovenia4499
Iceland4111
Bulgaria4008
Iran3773

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Our comprehensive report provides an in-depth look into the patent portfolio. The report includes a breakdown of the patent portfolio across various technologies, listing the patent along with brief summaries of each patent's technology.