Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masatoshi Sasa | Shikoku Chemicals | 1 |
| 1 | Takeo Yoshino | Mitsubishi Electric | 1 |
| 1 | Keizo Oka | Shikoku Chemicals | 1 |
| 1 | Shinnosuke Oshima | — | 1 |
| 1 | Teruo Tada | Okura Industrial Co. | 1 |
| 1 | Yukitoshi Mitani | Ishigaki Company Limited | 1 |