Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kouichi Ooyama | Miyakoshi Printing Machinery Co. | 4 |
| 2 | Hidetoshi Kon | Miyakoshi Printing Machinery Co. | 3 |
| 3 | Seiji Komatsuda | Miyakoshi Printing Machinery Co. | 2 |
| 3 | Ayumu Sasaki | Miyakoshi Printing Machinery Co. | 2 |