Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hosei Shinoda | Mitsui Toatsu Chemicals, Incorporated | 2 |
| 1 | Yoshiyuki Miwa | Hitachi | 2 |
| 1 | Takayuki Iio | Mitsubishi Mining | 2 |
| #4 | Shinobu Aoki | — | 1 |
| #4 | Masanori Aritake | Toyoda Gosei Co. | 1 |
| #4 | Hirosi Ando | Nippondenso Co. | 1 |
| #4 | Takaichi Ohya | Amano Pharmaceutical Co. | 1 |
| #4 | Takuji Nagata | Toyoda Gosei Co. | 1 |