Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuhiro Umebayashi | Hitachi Maxell | 2 |
| 2 | Hiroshi Tsukiyasu | Komatsu Forklift Co. | 1 |
| 2 | Mitsuo Yokota | Hitachi Chemical Company | 1 |
| 2 | Toshiyuki Sakamoto | Hitachi | 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 | Nobuhiro Umebayashi | Hitachi Maxell | 2 |
| 2 | Hiroshi Tsukiyasu | Komatsu Forklift Co. | 1 |
| 2 | Mitsuo Yokota | Hitachi Chemical Company | 1 |
| 2 | Toshiyuki Sakamoto | Hitachi | 1 |