Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703557 | Noise absorbing device | Takayuki Osada, Fumishiro Tsuda, Norio Saito, Takeji Ihara, Yoshio Wagatsuma | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703557 | Noise absorbing device | Takayuki Osada, Fumishiro Tsuda, Norio Saito, Takeji Ihara, Yoshio Wagatsuma | 1997-12-30 |