Top Inventors at Sophia School 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Takahashi | 1 |
| 2 | Hiroyuki Tsuda | 1 |
| 3 | Katsumi Kishino | 1 |
| #4 | Michifumi Nagawa | 1 |
| #5 | Shojiro Kawakami | 1 |
| #6 | Takafumi Chiba | 1 |
| #7 | Takayuki Kawashima | 1 |
| #8 | Toshikazu Ijiro | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Takahashi | 1 |
| 2 | Hiroyuki Tsuda | 1 |
| 3 | Katsumi Kishino | 1 |
| #4 | Michifumi Nagawa | 1 |
| #5 | Shojiro Kawakami | 1 |
| #6 | Takafumi Chiba | 1 |
| #7 | Takayuki Kawashima | 1 |
| #8 | Toshikazu Ijiro | 1 |