Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330586 | Method of producing grain oriented silicon steel sheet having very excellent magnetic properties | Michiro Komatsubara, Yasuyuki Hayakawa, Makoto Watanabe, Toshito Takamiya | 1994-07-19 |
| 5306353 | Method of producing grain oriented silicon steel sheets having less iron loss | Yasuyuki Hayakawa, Michiro Komatsubara, Takahiro Kan, Hirotake Ishitobi | 1994-04-26 |