Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012496 | Noise elimination device and method for installing the same | Toshihiro Sugiura, Masahiro Otsu, Shigemitsu Toriyama, Kazuyoshi Nakayama, Akira Hayakawa | 2006-03-14 |