Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroki Hirai | Sumitomo Wiring Systems | 188 |
| 2 | Satoshi Mizutani | Unicharm | 132 |
| 3 | Tomokazu Suda | Unicharm | 31 |
| #4 | Mitsuhiro Kawada | Teikoku Seiyaku Co. | 8 |
359 patents · 4 inventors
Ranked #7,450 of 111,555 cities Top 7%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroki Hirai | Sumitomo Wiring Systems | 188 |
| 2 | Satoshi Mizutani | Unicharm | 132 |
| 3 | Tomokazu Suda | Unicharm | 31 |
| #4 | Mitsuhiro Kawada | Teikoku Seiyaku Co. | 8 |