Ryugasaki, JP ranks #5,183 worldwide for total patents filed in 2021, with 20 patents from 8 inventors. Leading employers of inventors based in Ryugasaki, JP include Toyota, Hitachi Construction Machinery Co., Sekisui Medical Co..
Showing 1–8 of 8 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Takayuki Ban | Toyota | 8 |
| 2 | Yasutaka Tsuruga | Hitachi Construction Machinery Co. | 6 |
| 3 | Genroku Sugiyama | Hitachi Construction Machinery Co. | 1 |
| 3 | Hiroyuki Ebinuma | Sekisui Medical Co. | 1 |
| 3 | Naohiko Fuse | Sri International | 1 |
| 3 | Kumiko Yuki | Sekisui Medical Co. | 1 |
| 3 | Fumihiko Matsuda | Nippon Mektron | 1 |
| 3 | Kazuo Ishida | Mitsubishi Electric | 1 |