Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kouichi Ooyama | Miyakoshi Printing Machinery Co. | 2 |
| 1 | Seiji Komatsuda | Miyakoshi Printing Machinery Co. | 2 |
| 3 | Masaru Kusanagi | Miyakoshi Printing Machinery Co. | 1 |
| 3 | Takehiro Fujiwara | Seiko Epson | 1 |