Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tsutomu Obayashi | Hiraoka & Co. | 2 |
| 2 | Jin Sugiyama | Prevent-Plus | 1 |
3 patents · 2 inventors
Ranked #5,499 of 15,417 cities Top 40%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tsutomu Obayashi | Hiraoka & Co. | 2 |
| 2 | Jin Sugiyama | Prevent-Plus | 1 |