Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36423 | Method of manufacturing grain-oriented silicon steel sheet exhibiting excellent magnetic characteristics over the entire length of coil thereof | Michiro Komatsubara, Masako Hisata, Masaki Kawano | 1999-12-07 |
| 5933512 | Double cone-type loudspeaker | — | 1999-08-03 |
| 5885371 | Method of producing grain-oriented magnetic steel sheet | Michiro Komatsubara, Toshito Takamiya, Kunihiro Senda, Mineo Muraki, Chizuko Goto +1 more | 1999-03-23 |
| 5850460 | Bass speaker | Shoji Tanaka, Satoshi Kageyama | 1998-12-15 |
| 5679178 | Method of manufacturing grain-oriented silicon steel sheet exhibiting excellent magnetic characteristics over the entire length of coil thereof | Michiro Komatsubara, Masako Hisata, Masaki Kawano | 1997-10-21 |