Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Koichiro Motoyama | Victor Company Of Japan | 4 |
| 2 | Syozi Nakashima | Lion Group | 2 |
| 2 | Yasutaka Shimauchi | Sanraku-Ocean Co. | 2 |
| #4 | Takashi Ujiie | Lion Group | 1 |
9 patents · 4 inventors
Ranked #2,460 of 15,417 cities Top 20%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Koichiro Motoyama | Victor Company Of Japan | 4 |
| 2 | Syozi Nakashima | Lion Group | 2 |
| 2 | Yasutaka Shimauchi | Sanraku-Ocean Co. | 2 |
| #4 | Takashi Ujiie | Lion Group | 1 |