Top Inventors at Sumitomo Special Metals Co. 1989
Showing 1–29 of 29 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshiaki Wada | 8 |
| 2 | Yutaka Matsuura | 4 |
| 3 | Yoshiaki Katsuyama | 3 |
| 3 | Masato Sagawa | 3 |
| 3 | Masaharu Shiroyama | 3 |
| 3 | Mitsuhiko Furukawa | 3 |
| 3 | Michito Miyahara | 3 |
| 3 | Setsuo Fujimura | 3 |
| 3 | Junichi Nakaoka | 3 |
| #10 | Mitsuyoshi Nagano | 2 |
| #10 | Shigeki Mohri | 2 |
| #10 | Hitoshi Yamamoto | 2 |
| #13 | Yasuyuki Nakamura | 1 |
| #13 | Adio Hashimoto | 1 |
| #13 | Kiyohito Misumi | 1 |
| #13 | Makoto Kawakami | 1 |
| #13 | Makoto Minakata | 1 |
| #13 | Masateru Nose | 1 |
| #13 | Norio Togawa | 1 |
| #13 | Takaki Hamada | 1 |
| #13 | Takashi Kitahira | 1 |
| #13 | Takayuki Ono | 1 |
| #13 | Tetsuji Hayakawa | 1 |
| #13 | Toshiaki Fujita | 1 |
| #13 | Toshinobu Miyamoto | 1 |
| #13 | Akio Murata | 1 |
| #13 | Hideya Sakurai | 1 |
| #13 | Hirofumi Takabayashi | 1 |
| #13 | Kazunori Miura | 1 |