Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Junichiro Nishitani | Mitsubishi Electric | 3 |
| 2 | Masanao Orihara | Okura Industrial Co. | 1 |
| 2 | Akihiro Muramatsu | Mitsui Chemicals | 1 |
| 2 | Yukitoshi Mitani | Ishigaki Company Limited | 1 |
| 2 | Yoshiro Tange | Okura Industrial Co. | 1 |
| 2 | Hajime Hata | Shikoku Chemicals | 1 |