Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694779 | Sound absorbing material | Akira Takayasu, Tsutomu Yamamoto, Kazuhiko Kosuge | 2010-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694779 | Sound absorbing material | Akira Takayasu, Tsutomu Yamamoto, Kazuhiko Kosuge | 2010-04-13 |