Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tatsuo Yamamura | Panasonic | 2 |
| 1 | Kyourei Ri | Panasonic | 2 |
| 1 | Chikara Takata | Panasonic | 2 |
| #4 | Toshihiro Aoshima | Toto | 1 |
| #4 | Hidetoshi Soejima | Toshiba Tec Kabushiki Kaisha | 1 |
| #4 | Hiroaki Kato | Panasonic | 1 |
| #4 | Kunimi Tsuzurugi | Panasonic | 1 |
| #4 | Satoshi Kawaguchi | Panasonic | 1 |
| #4 | Junichi Iwasawa | Toto | 1 |