Top Inventors at Alcan-Tech Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazuo Maeda | 15 |
| 2 | Noboru Tokumasu | 8 |
| 3 | Kouichi Ohira | 7 |
| #4 | Yuko Nishimoto | 4 |
| #5 | Mitsuo Hirose | 3 |
| #6 | Yoshiaki Yuyama | 3 |
| #7 | Yuhko Nishimoto | 3 |
| #8 | Hiroshi Chino | 2 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazuo Maeda | 15 |
| 2 | Noboru Tokumasu | 8 |
| 3 | Kouichi Ohira | 7 |
| #4 | Yuko Nishimoto | 4 |
| #5 | Mitsuo Hirose | 3 |
| #6 | Yoshiaki Yuyama | 3 |
| #7 | Yuhko Nishimoto | 3 |
| #8 | Hiroshi Chino | 2 |