Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akira Nakanishi | Toyo Soda Manufacturing Co. | 2 |
| 2 | Mineo Nagano | Toyo Soda Manufacturing Co. | 1 |
| 2 | Keiji Mitarai | Toyo Soda Manufacturing Co. | 1 |
| 2 | Akio Hata | Sekisui Kagaku Kogyo | 1 |
| 2 | Masaaki Otsuru | Hodogaya Chemical Co. | 1 |
| 2 | Takeshi Nakachi | Sekisui Kagaku Kogyo | 1 |
| 2 | Fumio Okisaki | Tosoh | 1 |
| 2 | Tsugio Murakami | Tosoh | 1 |