Top Inventors at Hario Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Atsuko Sakamoto | 5 |
| 2 | Yuki Sugiyama | 3 |
| 3 | Miki Yoshida | 2 |
| #4 | Su Jin Park | 1 |
| #5 | Tatsuo Murakami | 1 |
| #6 | Ayumi Senba | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Atsuko Sakamoto | 5 |
| 2 | Yuki Sugiyama | 3 |
| 3 | Miki Yoshida | 2 |
| #4 | Su Jin Park | 1 |
| #5 | Tatsuo Murakami | 1 |
| #6 | Ayumi Senba | 1 |