Top Inventors at Laurel Machinery Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Kumagai | 4 |
| 2 | Masashi Ohba | 4 |
| 3 | Hirohumi Haruna | 2 |
| #4 | Hiroaki Takahashi | 2 |
| #5 | Mikio Suzuki | 2 |
| #6 | Noriaki Kitagaki | 2 |
| #7 | Akio Funato | 2 |
| #8 | Eiji Nagami | 1 |
| #9 | Hiroyuki Shibao | 1 |
| #10 | Hitoshi Takahashi | 1 |
| #11 | Kaoru Yamamoto | 1 |
| #12 | Masahiro Miki | 1 |
| #13 | Naoya UENOMACHI | 1 |
| #14 | Osamu Igarashi | 1 |
| #15 | Tadaaki Morita | 1 |
| #16 | Toru INAKE | 1 |
| #17 | Tokuharu Shimizu | 1 |