Surabaya, ID ranks #4,263 worldwide for total patents filed in 2021, with 26 patents from 6 inventors. Leading employers of inventors based in Surabaya, ID include Quarsa, Essentra Filter Products Development Co. Pte., Philip Morris Products S.A..
Showing 1–6 of 6 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Ali Mukti | Quarsa | 20 |
| 2 | Roy Alingalan | Essentra Filter Products Development Co. Pte. | 2 |
| 3 | Aurelia Maxine Sugita | — | 1 |
| 3 | Martha Martha | Philip Morris Products S.A. | 1 |
| 3 | Wiwiek Widyastuti Budiliantono | — | 1 |
| 3 | Peter Sugita | — | 1 |