Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaaki Onodera | Kyoraku Co. | 4 |
| 2 | Akihiko Okimura | Oiles | 1 |
| 2 | Shigeki Iwamoto | Kureha | 1 |
6 patents · 3 inventors
Ranked #12,691 of 42,968 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaaki Onodera | Kyoraku Co. | 4 |
| 2 | Akihiko Okimura | Oiles | 1 |
| 2 | Shigeki Iwamoto | Kureha | 1 |