Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10863877 | Toilet lid device | Yukari Kawazu, Megumi Hirayama, Minoru Matsui | 2020-12-15 |
| 10758097 | Toilet lid device | Yukari Kawazu, Megumi Hirayama | 2020-09-01 |
| 10724221 | Sanitary washing device | Takakuni Yoshida, Yoshihiro Koto, Takeshi Yamakawa | 2020-07-28 |