Top Inventors at Sumitomo Metal Mining Co. 1989
Showing 1–15 of 15 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasuo Ojima | 3 |
| 2 | Yoshiaki Mori | 2 |
| 2 | Takayoshi Kimura | 2 |
| #4 | Yasuhiro Kondo | 1 |
| #4 | Yasuhito Takahashi | 1 |
| #4 | Yoshimasa Inoue | 1 |
| #4 | Yukitoshi Tamura | 1 |
| #4 | Keiji Takamatsu | 1 |
| #4 | Koichi Oka | 1 |
| #4 | Nobumasa Kemori | 1 |
| #4 | Shigeru Sakai | 1 |
| #4 | Takehiro Hyuga | 1 |
| #4 | Tatsuo Nate | 1 |
| #4 | Takehiko Satoh | 1 |
| #4 | Kazutoshi Matsumoto | 1 |