Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoichi Tukahara | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 1 | Ryoichi Morinaka | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 1 | Tuneo Hidaka | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 1 | Tsutomu Nishizawa | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 1 | Naoki Ishimaru | Denki Kagaku Kogyo | 1 |
| 1 | Kohichi Sugawara | Denki Kagaku Kogyo | 1 |