Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ohtsuka Takashi | Shinagawa Refractories Co. | 1 |
| 1 | Yoshio Yasuda | Shinagawa Refractories Co. | 1 |
2 patents · 2 inventors
Ranked #6,816 of 15,417 cities Top 45%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ohtsuka Takashi | Shinagawa Refractories Co. | 1 |
| 1 | Yoshio Yasuda | Shinagawa Refractories Co. | 1 |