Top Inventors at Nippon Tungsten Co. 1989
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Mitsuhiko Furukawa | 4 |
| 2 | Masaharu Shiroyama | 3 |
| 2 | Michito Miyahara | 3 |
| 2 | Toshiaki Wada | 3 |
| #5 | Kiyohito Misumi | 2 |
| #5 | Mitsuyoshi Nagano | 2 |
| #5 | Shigeki Mohri | 2 |
| #5 | Takashi Kitahira | 2 |
| #9 | Yoshiaki Katsuyama | 1 |
| #9 | Sakae Tanaka | 1 |