Top Inventors at Daiwabo Polytec Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigeki Kawakami | 3 |
| 2 | Hiroshi Okaya | 1 |
| 3 | Manabu Matsui | 1 |
| #4 | Tatsunori Kida | 1 |
| #5 | Toshio Kamisasa | 1 |
| #6 | Yoshiji Usui | 1 |
| #7 | Akihiko Kawanaka | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigeki Kawakami | 3 |
| 2 | Hiroshi Okaya | 1 |
| 3 | Manabu Matsui | 1 |
| #4 | Tatsunori Kida | 1 |
| #5 | Toshio Kamisasa | 1 |
| #6 | Yoshiji Usui | 1 |
| #7 | Akihiko Kawanaka | 1 |