Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816949 | Magnetic head containing amorphous alloy and crystallizable glass | Seiichi Yamada, Takashi Naitoh, Takashi Namekawa, Akira Ikegami, Ryoo Gotoo | 1989-03-28 |
| 4805059 | Magnetic head having MnO/NiO-based nonmagnetic substrate | Kazuhiro Tsuchiya, Hiroshi Tomishima | 1989-02-14 |