Top Inventors at Nippon Petroleum Refining Company, Limited 1997
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Kawamura | 2 |
| 1 | Masahumi Imamura | 2 |
| 1 | Susumu Suzuki | 2 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Kawamura | 2 |
| 1 | Masahumi Imamura | 2 |
| 1 | Susumu Suzuki | 2 |