Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiro Ieko | School Juridical Person Higashi-Nippon-Gakuen | 7 |
| 1 | Tadamasa Nakamura | Elmo Co. | 7 |
| 3 | Toyokazu Sano | Dai Nippon Printing Co. | 1 |
| 3 | Takeo Oe | Dai Nippon Printing Co. | 1 |
16 patents · 4 inventors
Ranked #43,289 of 111,555 cities Top 40%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiro Ieko | School Juridical Person Higashi-Nippon-Gakuen | 7 |
| 1 | Tadamasa Nakamura | Elmo Co. | 7 |
| 3 | Toyokazu Sano | Dai Nippon Printing Co. | 1 |
| 3 | Takeo Oe | Dai Nippon Printing Co. | 1 |