Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046831 | Sound-insulating sponge material, vehicle sealing material, and weather strip | Keigo Matsumoto, Syoichi Nakamoto, Katsunori Nakashima, Takaaki Imai | 2021-06-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046831 | Sound-insulating sponge material, vehicle sealing material, and weather strip | Keigo Matsumoto, Syoichi Nakamoto, Katsunori Nakashima, Takaaki Imai | 2021-06-29 |