Top Inventors at Softbank Bb All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Keiichi Nakajima | 10 |
| 2 | Masayoshi Son | 4 |
| 3 | Satoru Yoshikawa | 2 |
| #4 | Hirokazu Miyazaki | 1 |
| #5 | Hirofusa Watamori | 1 |
| #6 | Kazuhisa Shibayama | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Keiichi Nakajima | 10 |
| 2 | Masayoshi Son | 4 |
| 3 | Satoru Yoshikawa | 2 |
| #4 | Hirokazu Miyazaki | 1 |
| #5 | Hirofusa Watamori | 1 |
| #6 | Kazuhisa Shibayama | 1 |