Top Inventors at Quarrymen & Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasuhiro Yamashita | 6 |
| 2 | Ken Hatano | 4 |
| 3 | Miho Suzuki | 4 |
| #4 | Shojiro Yoshida | 4 |
| #5 | Minoru Ueda | 2 |
| #6 | Hiroshi Hochi | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasuhiro Yamashita | 6 |
| 2 | Ken Hatano | 4 |
| 3 | Miho Suzuki | 4 |
| #4 | Shojiro Yoshida | 4 |
| #5 | Minoru Ueda | 2 |
| #6 | Hiroshi Hochi | 1 |