Top Inventors at Hayashi Engineering All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Mitsuo Hosokawa | 2 |
| 2 | Toshitaka Araga | 2 |
| 3 | Hiroyuki Eguchi | 1 |
| #4 | Hiroshi Mizuno | 1 |
| #5 | Kiichiro Suzuki | 1 |
| #6 | Koichi Ikawa | 1 |
| #7 | Kotaro Ono | 1 |
| #8 | Masahito Imamura | 1 |
| #9 | Masanobu Matsuyama | 1 |
| #10 | Motohiro Aoki | 1 |
| #11 | Naoya Kodama | 1 |
| #12 | Takeya Sakai | 1 |
| #13 | Takaaki Sugita | 1 |
| #14 | Toshiyuki Nakamura | 1 |
| #15 | Yasuhiro Yada | 1 |
| #16 | Yuji Takeuchi | 1 |