Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masafumi Tanaka | Ricoh Company | 4 |
| 2 | Toshiyasu Imai | Nippon Chemiphar Co. | 1 |
| 2 | Ruslan ROMANENKO | Unknown | 1 |
| 2 | Seiji Kakinuma | Agro-Kanesho Co. | 1 |
| 2 | Hiroto Tanaka | Nippon Chemiphar Co. | 1 |
| 2 | Ivan SAVCHENKO | Unknown | 1 |
| 2 | Tsuyoshi Endo | Nippon Chemiphar Co. | 1 |
| 2 | Alexandr PARMANIN | Unknown | 1 |
| 2 | Kohei HAYASHIDA | Nippon Chemiphar Co. | 1 |
| 2 | Masuharu Hirano | Nippon Chemiphar Co. | 1 |
| 2 | Aleksandr IVONINSKII | Unknown | 1 |
| 2 | Svjatoslav LISIN | Unknown | 1 |
| 2 | Eugeny Sharov | Unknown | 1 |
| 2 | Tsuyoshi Aoyama | Obayashi | 1 |
| 2 | Kensuke Tone | Canon | 1 |
| 2 | Shun Motohashi | Canon | 1 |