Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kihei Takahashi | Yoshida Kogyo K.K. | 5 |
| 2 | Takeo Fukuroi | Yoshida Kogyo K.K. | 2 |
| 2 | Keiji Sekiguchi | — | 2 |
| #4 | Tadahiro Takamatsu | Yoshida Kogyo K.K. | 1 |
| #4 | Noritaka Tsubata | Yoshida Kogyo K.K. | 1 |
| #4 | Shigenori Omori | Yoshida Kogyo K.K. | 1 |
| #4 | Yoshiharu Muratsubaki | Nippon Carbide Kogyo | 1 |
| #4 | Akio Fukuroi | Yoshida Kogyo K.K. | 1 |
| #4 | Seiko Terada | Yoshida Kogyo K.K. | 1 |
| #4 | Takeo Uehara | Yoshida Kogyo K.K. | 1 |