Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11607175 | Toilet seat device | — | 2023-03-21 |
| 10851533 | Sanitary washing device | Toshinari Yaoka, Minoru Sato, Keisuke Tashiro, Satoru Matsumoto, Shogo Kanda | 2020-12-01 |
| 10736474 | Toilet seat device | Takeshi Takaki, Hiroshi Tsuboi, Hitoaki Higuchi, Koji Sonoda, Keisuke Tashiro +1 more | 2020-08-11 |
| 10738453 | Toilet device | Shinichi Yagi, Tomoyasu Ichiki, Hiroaki Amemori, Ayumu Umemoto, Masahiro Yamamoto +1 more | 2020-08-11 |
| 10253487 | Sanitary washing apparatus | Koichiro Matsushita, Satoru Matsumoto, Katsunori Ishii, Yukiko Yano | 2019-04-09 |
| 9328497 | Sanitary washing apparatus | Koichiro Matsushita, Satoru Matsumoto, Katsunori Ishii, Yukiko Yano | 2016-05-03 |
| 8966676 | Toilet apparatus | Aki Hamakita, Koichiro Matsushita, Shuichi Nagashima | 2015-03-03 |
| 8621676 | Sanitary washing device | Ayumu Umemoto, Koichiro Matsushita | 2014-01-07 |
| 8505126 | Sanitary washing apparatus | Ayumu Umemoto, Koichiro Matsushita | 2013-08-13 |
| 8256039 | Sanitary washing device | Ayumu Umemoto, Koichiro Matsushita | 2012-09-04 |