Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486512 | Opening and closing handle, and valve device | Masaru Takeda | 2022-11-01 |
| 11215290 | Non-return valve mechanism and one-way valve device | Masaru Takeda | 2022-01-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486512 | Opening and closing handle, and valve device | Masaru Takeda | 2022-11-01 |
| 11215290 | Non-return valve mechanism and one-way valve device | Masaru Takeda | 2022-01-04 |