Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kenji Ishimatsu | Hitachi Medical | 4 |
| 2 | Yutaka Nishimura | Hitachi | 2 |
| 3 | Yasuo Kojima | Hitachi | 1 |
| 3 | Naoyuki Todo | Director-General Of Agency Of Industrial Science And Technology | 1 |
| 3 | Haruo Takaya | Director-General Of Agency Of Industrial Science And Technology | 1 |
| 3 | Kengo Sugiyama | Hitachi | 1 |
| 3 | Shigeyuki Yamazaki | Hitachi | 1 |
| 3 | Yukio Takei | Nippon Kayaku | 1 |
| 3 | Seiji Iwamura | Sumitomo Heavy Industries | 1 |
| 3 | Masao Okabe | Mitsubishi Gas Chemical Company | 1 |