Showing 51–59 of 59 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| #12 | Tokuzi Yamaguchi | Nippon Steel | 1 |
| #12 | Nobuhiko Kaji | — | 1 |
| #12 | Akira Matsufuji | Nippon Steel | 1 |
| #12 | Kenzo Iwayama | Nippon Steel | 1 |
| #12 | Tsutomu Katayama | Fuji Oil Holdings | 1 |
| #12 | Masami Osawa | Aisin Seiki Kabushiki Kaisha | 1 |
| #12 | Yoichi Mori | Ebara | 1 |
| #12 | Hironori Kuroki | Kuroki Kogyosho Co. | 1 |
| #12 | Shigenobu Koga | Nippon Steel | 1 |