Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takehito Mizuno | Mitsubishi Chemical | 5 |
| 2 | Makoto Ishijima | Hitachi Construction Machinery Co. | 3 |
| 2 | Chisato Fujimura | Toppan Printing Co. | 3 |
| #4 | Yuuji Igawa | Hitachi Construction Machinery Co. | 2 |
| #4 | Yuko Sekimori | Kureha | 2 |
| #6 | Shigeyoshi Nakaki | Kureha | 1 |
| #6 | Shinji Imaoka | Hitachi Plant Technologies | 1 |
| #6 | Tsuyoshi Ayaki | Kureha | 1 |
| #6 | Kenji Kaitsuka | Santen Pharmaceutical Co. | 1 |