Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156908 | Magnetic recording medium and method for producing the same | Hiroaki Araki | 1992-10-20 |
| 5139866 | Magnetic recording medium | Hiroaki Araki, Akira Ushimaru | 1992-08-18 |
| 5112669 | Magnetic recording medium | Tadashi Yasunaga | 1992-05-12 |
| 5062904 | Treatment of ferromagnetic metal powders and magnetic recording media using the same | — | 1991-11-05 |
| 5001018 | Fe-Co base magnetic film and process for producing the same | Toshio Takada, Tetsuo Okuyama, Teruya Shinjo | 1991-03-19 |