19268 inventors at Matsushita filed 29259 US patents between 1976 and 2020. These Matushita inventors belong to 37 different countries.
The donut chart below shares the percentage contribution of inventors from the top ten countries in Matsushita US patent filing.
Countries of Inventors of Matsushita US Patents
| Country | Inventor | Patent | % of inventors |
| Japan | 18450 | 110411 | 95.75 |
| United States Of America | 491 | 3789 | 2.55 |
| Singapore | 59 | 284 | 0.31 |
| Korea (South) | 50 | 1379 | 0.26 |
| Germany | 50 | 360 | 0.26 |
| China | 34 | 403 | 0.18 |
| Taiwan | 29 | 267 | 0.15 |
| United Kingdom | 26 | 79 | 0.13 |
| France | 13 | 140 | 0.07 |
| Netherlands | 12 | 175 | 0.06 |
| Israel | 5 | 25 | 0.03 |
| Australia | 5 | 24 | 0.03 |
| Canada | 5 | 17 | 0.03 |
| Malaysia | 4 | 95 | 0.02 |
| India | 4 | 76 | 0.02 |
| New Zealand | 3 | 23 | 0.02 |
| Switzerland | 3 | 3 | 0.02 |
| Belgium | 2 | 17 | 0.01 |
| Ireland | 2 | 11 | 0.01 |
| Italy | 2 | 5 | 0.01 |
| Sweden | 2 | 5 | 0.01 |
| Spain | 2 | 2 | 0.01 |
| North | 1 | 8 | 0.01 |
| North Korea | 1 | 7 | 0.01 |
| Venezuela | 1 | 5 | 0.01 |
| Denmark | 1 | 3 | 0.01 |
| Hungary | 1 | 3 | 0.01 |
| Turkey | 1 | 2 | 0.01 |
| Brunei | 1 | 2 | 0.01 |
| Saudi Arabia | 1 | 2 | 0.01 |
| Egypt | 1 | 2 | 0.01 |
| Northern Mariana Islands | 1 | 2 | 0.01 |
| Austria | 1 | 1 | 0.01 |
| Hong Kong (S.A.R.) | 1 | 1 | 0.01 |
| Luxembourg | 1 | 1 | 0.01 |
| Mexico | 1 | 1 | 0.01 |
| Algeria | 1 | 1 | 0.01 |