Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Keizo Ikai | Nippon Oil | 2 |
| 2 | Hajime Ohsaki | Toshiba Lighting & Technology | 1 |
| 2 | Yohichi Ogawa | Hitachi | 1 |
| 2 | Tamio Hoshino | — | 1 |
5 patents · 4 inventors
Ranked #6,342 of 22,654 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Keizo Ikai | Nippon Oil | 2 |
| 2 | Hajime Ohsaki | Toshiba Lighting & Technology | 1 |
| 2 | Yohichi Ogawa | Hitachi | 1 |
| 2 | Tamio Hoshino | — | 1 |