Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hijiri Tsuruta | Sumitomo Electric Industries | 4 |
| 2 | Hiroaki Terai | Sumitomo Electric Sintered Alloy | 2 |
| 2 | Masayuki Tauchi | Sumitomo Electric Sintered Alloy | 2 |
| 2 | Kenji Nawachi | Sumitomo Electric Sintered Alloy | 2 |
| #5 | Kazuya Takizawa | Sumitomo Electric Industries | 1 |