Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554101 | Structure and method of absorbing and shielding sound | Kyoichi Watanabe, Hiroaki Miura, Jun Okada | 2003-04-29 |
| 6524691 | Sound absorbing-insulating structure for vehicles | Hiroshi Sugawara | 2003-02-25 |