Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576172 | Method of manufacturing sound-proof products | Toshiyuki ARIO, Takashi Naka, Junichi Hishida, Tetsuyasu Akita, Masaru Suzuki +1 more | 2003-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576172 | Method of manufacturing sound-proof products | Toshiyuki ARIO, Takashi Naka, Junichi Hishida, Tetsuyasu Akita, Masaru Suzuki +1 more | 2003-06-10 |