Isa, JP ranks #4,663 worldwide for total patents filed in 2021, with 23 patents from 8 inventors. Leading employers of inventors based in Isa, JP include Sumitomo Metal Mining Co., Ohkuchi Materials Co..
Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirofumi TSUNEMATSU | Sumitomo Metal Mining Co. | 4 |
| 1 | Mika Okada | Sumitomo Metal Mining Co. | 4 |
| 1 | Takeshi Chonan | Sumitomo Metal Mining Co. | 4 |
| 1 | Hideaki Fukuyama | Sumitomo Metal Mining Co. | 4 |
| #5 | Kaoru Hishiki | Ohkuchi Materials Co. | 2 |
| #5 | Keiichi Otaki | Ohkuchi Materials Co. | 2 |
| #5 | Kotaro Tomeoka | Ohkuchi Materials Co. | 2 |
| #8 | Shunichi Kidoguchi | Ohkuchi Materials Co. | 1 |