Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kikuo Saito | Waterworks Technology Development Organization Co. | 11 |
| 2 | Yoshiki Sakai | Ono Pharmaceutical Co. | 10 |
| 2 | Fumiaki Mori | Funai Electric Co. | 10 |
| #4 | Kenji Tatani | — | 2 |
| #5 | Tomizo Kuroishi | — | 1 |
| #5 | Hiroshi Niiya | — | 1 |