Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsuji Yoguchi | Mitsui Toatsu Chemicals, Incorporated | 5 |
| 2 | Jian-Xuan Lee | Datech Technology Co. | 3 |
| 3 | Eiichi Sudou | Hitachi | 2 |
| 3 | Tomohiro Kaizu | Hitachi Industrial Equipment Systems Co. | 2 |
| 3 | Mitsuo Kusano | Hitachi | 2 |
| 3 | Itoi Kazuo | Kuraray Co. | 2 |
| 3 | Murata Yoshifumi | Kuraray Co. | 2 |
| #8 | Koichi Nagaba | — | 1 |
| #8 | Eriko Matsuda | Kuraray Co. | 1 |
| #8 | Masato Taniura | Kuraray Co. | 1 |
| #8 | Shoichi Miyamura | Mizusawa Industrial Chemicals | 1 |
| #8 | Saji Okabayashi | Mizusawa Industrial Chemicals | 1 |