Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D831802 | Water closet | Masaki Kitamura, Shu Kashirajima, Yuki Shimokawa, Yuji Yoshioka | 2018-10-23 |
| D811564 | Toilet seat | Yuji Yoshioka, Minoru Tani | 2018-02-27 |
| D810900 | Water closet | Masaki Kitamura, Shu Kashirajima, Yuki Shimokawa, Yuji Yoshioka | 2018-02-20 |
| D810250 | Water closet | Yuji Yoshioka, Minoru Tani | 2018-02-13 |