Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518384 | Flush toilet | Shu Kashirajima, Tomohiro Hirakawa, Masaki Kitamura, Yuki Shimokawa | 2016-12-13 |
| 9359753 | Flush toilet | Tomohiro Hirakawa, Masaki Kitamura, Shu Kashirajima, Koji Kamei | 2016-06-07 |
| 9157225 | Flush toilet | Shu Kashirajima, Tomohiro Hirakawa, Masaki Kitamura, Koji Kamei | 2015-10-13 |