Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norio Chiba | Seiko Instruments | 2 |
| 1 | Shigeo Sumi | Somar | 2 |
| 3 | Noboru Kamiya | Lord | 1 |
| 3 | Eiichi Takahashi | Sekisui Chemical Co. | 1 |
6 patents · 4 inventors
Ranked #5,612 of 22,654 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norio Chiba | Seiko Instruments | 2 |
| 1 | Shigeo Sumi | Somar | 2 |
| 3 | Noboru Kamiya | Lord | 1 |
| 3 | Eiichi Takahashi | Sekisui Chemical Co. | 1 |