Top Inventors at Santoku 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Keiichi Narita | 1 |
| 2 | Kyosuke Murakami | 1 |
| 3 | Michio Tanaka | 1 |
| #4 | Satoshi Matsueda | 1 |
| #5 | Shigeru Ono | 1 |
| #6 | Tadatoshi Murota | 1 |
| #7 | Takayuki Shimizu | 1 |
| #8 | Tomonori Tahara | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Keiichi Narita | 1 |
| 2 | Kyosuke Murakami | 1 |
| 3 | Michio Tanaka | 1 |
| #4 | Satoshi Matsueda | 1 |
| #5 | Shigeru Ono | 1 |
| #6 | Tadatoshi Murota | 1 |
| #7 | Takayuki Shimizu | 1 |
| #8 | Tomonori Tahara | 1 |