Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168474 | Sound insulation sheet member and sound insulation structure using same | Shuichi Akasaka | 2021-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168474 | Sound insulation sheet member and sound insulation structure using same | Shuichi Akasaka | 2021-11-09 |