Top Inventors at Billcon All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshikazu Takagi | 5 |
| 2 | Takahiro Ogawa | 4 |
| 3 | Hideo Abe | 2 |
| #4 | Hiroyuki Shimada | 2 |
| #5 | Makoto Shinkai | 2 |
| #6 | Yasuhiro Furuta | 2 |
| #7 | Fumio Sanuga | 1 |
| #8 | Fumiwo Sanuga | 1 |
| #9 | Hideki Kita | 1 |
| #10 | Kanji Yamamoto | 1 |
| #11 | Tsutomu Sasaki | 1 |