Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589643 | Energy conversion fiber and sound reducing material | Jun Okada, Katsumi Morohoshi, Hiroaki Miura, Takeshi Yamauchi | 2003-07-08 |
| 6554101 | Structure and method of absorbing and shielding sound | Hiroaki Miura, Takayuki Fukui, Jun Okada | 2003-04-29 |
| 6548141 | Carpet material and method of producing same | Makio Nagata, Satoshi Nagashima, Masashi Itou, Kouichi Nemoto | 2003-04-15 |