Top Inventors at Asahi Shipping Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigeto Adachi | 5 |
| 2 | Kazuo Takahashi | 4 |
| 3 | Yutaka Narukawa | 4 |
| #4 | Yuji Tanaka | 3 |
| #5 | Kazuya Arahira | 2 |
| #6 | Masakazu Yamamoto | 2 |
| #7 | Ryo Fujisawa | 2 |
| #8 | Tetsuro Fujii | 2 |
| #9 | Toshio Sageshima | 2 |
| #10 | Yutaka Kobayashi | 2 |