Top Inventors at Lixil 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshihiko Ando | 5 |
| 2 | Takeya Ichiyanagi | 2 |
| 3 | Tomoya Sasaki | 2 |
| #4 | Yuichiro Komatsu | 2 |
| #5 | Akiya Saeki | 1 |
| #6 | Haruka Ue | 1 |
| #7 | Hideki Katsurayama | 1 |
| #8 | Hiroshi Kobayashi | 1 |
| #9 | Hiroshi Matsuda | 1 |
| #10 | Hideaki Tsuzuki | 1 |
| #11 | Hiroaki Watanabe | 1 |
| #12 | Isato Hirasawa | 1 |
| #13 | Ken Higuchi | 1 |
| #14 | Makoto Saruta | 1 |
| #15 | Naohisa Oota | 1 |
| #16 | Nobuyuki MATSUDA | 1 |
| #17 | Ryuichi Yokoi | 1 |
| #18 | Saori Ichihara | 1 |
| #19 | Sho Horinoe | 1 |
| #20 | Shunsuke Takahashi | 1 |
| #21 | Sou Okuizumi | 1 |
| #22 | Taku Okawa | 1 |
| #23 | Yasuhiro Kondo | 1 |
| #24 | Yoshitaka Kouno | 1 |
| #25 | Youichirou Tomioka | 1 |
| #26 | Yohei Yukitake | 1 |