Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10160296 | Sash coupling structure and method for sash coupling | Jun Makita, Yu Okumura | 2018-12-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10160296 | Sash coupling structure and method for sash coupling | Jun Makita, Yu Okumura | 2018-12-25 |