Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yo Morotomi | Toto | 3 |
| 1 | Yuichi Yoshii | Toto | 3 |
| 1 | Hironori Yamasaki | Toto | 3 |
| #4 | Yukiko Yano | Toyota | 2 |
| #4 | Takuma Wada | Toto | 2 |
| #6 | Tomoyasu Ichiki | Toto | 1 |
| #6 | Jin-ichi Inokuchi | Seikagaku | 1 |
| #6 | Toshihiro Aoshima | Toto | 1 |
| #6 | Ayumu Umemoto | Toto | 1 |
| #6 | Kazuki Anada | Toto | 1 |
| #6 | Junichi Iwasawa | Toto | 1 |
| #6 | Kazuki Tanaka | Toyota | 1 |
| #6 | Shinichi Yagi | Toto | 1 |
| #6 | Takuya Hazama | Kaneya Co. | 1 |
| #6 | Makoto Tamura | Maruzen Petrochemical Co. | 1 |
| #6 | Naoya Takai | Kabushiki Kaisha Toshiba | 1 |
| #6 | Tatsuo Yamamura | Panasonic | 1 |
| #6 | Takahiro Hyakudome | Panasonic | 1 |