Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshiyuki Takada | Sumitomo Rubber Industries | 5 |
| 2 | Yoshisato Wakashima | Sumitomo Electric Industries | 1 |
| 2 | Saburo Morioka | House Food Industrial Co. | 1 |
| 2 | Tadao Shioyama | Sumitomo Electric Industries | 1 |
| 2 | Masayuki Nanba | Sumitomo Electric Industries | 1 |