Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111662 | Flush toilet | Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Sou Okuizumi, Makoto Saruta | 2021-09-07 |
| 10988917 | Toilet flush device and toilet device | Ken Higuchi, Yasuhiro Kondo | 2021-04-27 |
| 10450735 | Flush toilet | Saori Ichihara, Isato Hirasawa, Tomoya Sasaki, Makoto Saruta | 2019-10-22 |
| 10294644 | Flush toilet | Akiya Saeki, Hiroaki Watanabe, Yukihiro Inoue, Tooru Higashino, Masato Takeda +4 more | 2019-05-21 |
| 10136775 | Toilet bowl apparatus and seal member | Saori Ichihara, Isato Hirasawa, Yasuhiro Kondo | 2018-11-27 |