Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Katsuda | Ngk Insulators | 2 |
| 1 | Kazumasa Makino | Brother Kogyo | 2 |
| 3 | Kiyosei Kondo | Menicon Co. | 1 |
| 3 | Masaru Yagi | Kitagawa Industries Co. | 1 |
6 patents · 4 inventors
Ranked #8,103 of 30,370 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Katsuda | Ngk Insulators | 2 |
| 1 | Kazumasa Makino | Brother Kogyo | 2 |
| 3 | Kiyosei Kondo | Menicon Co. | 1 |
| 3 | Masaru Yagi | Kitagawa Industries Co. | 1 |