Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661903 | Loudspeaker | Shoji Tanaka | 2003-12-09 |
| 6531001 | Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor | Yasuyuki Hayakawa, Mitsumasa Kurosawa, Masaki Kawano, Michiro Komatsubara, Yuka Komori | 2003-03-11 |