Top Inventors at Diafoil Company, Limited 1989
Showing 1–17 of 17 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Shigeo Utsumi | 7 |
| 2 | Yujiro Fukuda | 2 |
| 2 | Seiji Sakamoto | 2 |
| #4 | Yoshihide Ozaki | 1 |
| #4 | Yoshinori Sato | 1 |
| #4 | Yuzo Otani | 1 |
| #4 | Kiyoshi Yasumura | 1 |
| #4 | Ken Ohno | 1 |
| #4 | Kichinojyo Tomitaka | 1 |
| #4 | Masahiro Kita | 1 |
| #4 | Mitsuo Yoshimoto | 1 |
| #4 | Narihiro Masuda | 1 |
| #4 | Nariaki Okajima | 1 |
| #4 | Naohiro Takeda | 1 |
| #4 | Satoshi Otonari | 1 |
| #4 | Tomoyuki Kotani | 1 |
| #4 | Toshifumi Takisawa | 1 |