Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938228 | Process for producing sound absorber and produced by the process, sound absorber and sound absorbing structure | Yoshiaki Saito, Minoru Sugawara, Takeharu Suga, Masaharu Okamura, Toshifumi Sakai | 2011-05-10 |