Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Sho KONDO | Toto | 5 |
| 1 | Hirotsugu AGATSUMA | Toto | 5 |
| 1 | Satoshi HAKOZAKI | Toto | 5 |
| #4 | Tatsuo Yamamura | Panasonic | 4 |
| #4 | Chikara Takata | Panasonic | 4 |
| #4 | Yukiko Yano | Toyota | 4 |
| #7 | Koichiro Matsushita | Toto | 3 |
| #7 | Satoshi KANEYUKI | Toto | 3 |
| #9 | Yuichi Yoshii | Toto | 2 |
| #9 | Junichi Iwasawa | Toto | 2 |
| #11 | Teruaki Santoki | Toda Kogyo | 1 |
| #11 | Kazuki Tanaka | Toyota | 1 |
| #11 | Gen Watari | Kabushiki Kaisha Toshiba | 1 |
| #11 | Kyoko Kataoka | Toto | 1 |
| #11 | Kazuki Anada | Toto | 1 |
| #11 | Toshihiro Aoshima | Toto | 1 |
| #11 | Yuta KUGIYAMA | Kabushiki Kaisha Toshiba | 1 |
| #11 | Yo Morotomi | Toto | 1 |
| #11 | Satoru Kitazaki | Toto | 1 |