Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoru Ohsaki | Denso | 3 |
| 2 | Rinzo Kayano | The Japan Steel Works | 2 |
| 3 | Yoshinori Kawaharazaki | The Japan Steel Works | 1 |
| 3 | Tatsusei TADA | Nippon Steel | 1 |
| 3 | Kouichi Takasawa | The Japan Steel Works | 1 |
| 3 | Paolo Mele | — | 1 |
| 3 | Yoru Wada | The Japan Steel Works | 1 |
| 3 | Ryoji Ishigaki | The Japan Steel Works | 1 |