Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170301 | Magnetic head having core parts joined by low-melting point crystallized glass with composite gap | Etsuko Suzuki, Eisuke Sawai | 1992-12-08 |
| 4890379 | Method for manufacturing magnetic head | Hiroshi Yohda, Ken Takahashi, Eisuke Sawai, Keita Ihara | 1990-01-02 |