Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416142 | Discharge valve device, flush water tank device, and flush toilet | Yuta KONDO, Haruki Matsuda, Koichiro Hiwa | 2025-09-16 |
| 12258744 | Flush water tank device and flush toilet apparatus provided with the same | Yuta KONDO, Koichiro Hiwa, Kenji HATAMA, Haruki Matsuda | 2025-03-25 |
| 10151094 | Flush toilet having a rim spout with a rim water passageway | Shu Kashirajima, Masaki Kitamura, Yuuki Shinohara, Masaaki Momoe | 2018-12-11 |
| 10145096 | Flush toilet having a rim spout structure | Shu Kashirajima, Masaaki Momoe | 2018-12-04 |
| D831802 | Water closet | Masaki Kitamura, Shu Kashirajima, Yuji Yoshioka, Hirotaka Nakabayashi | 2018-10-23 |
| D810900 | Water closet | Masaki Kitamura, Shu Kashirajima, Yuji Yoshioka, Hirotaka Nakabayashi | 2018-02-20 |
| 9518384 | Flush toilet | Shu Kashirajima, Tomohiro Hirakawa, Masaki Kitamura, Yuki Shinohara | 2016-12-13 |