Top Inventors at Katagiri Engineering Co. 2020
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Amano | 1 |
| 2 | Hiroyuki Kano | 1 |
| 3 | Koji Yamakawa | 1 |
| #4 | Masaru Hori | 1 |
| #5 | Shoji Den | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Amano | 1 |
| 2 | Hiroyuki Kano | 1 |
| 3 | Koji Yamakawa | 1 |
| #4 | Masaru Hori | 1 |
| #5 | Shoji Den | 1 |