Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692849 | Magnetic recording medium comprising spindle-shaped ferromagnetic metal particles | Hiroaki Araki, Mikio Ohno | 2004-02-17 |
| 6686024 | Magnetic recording medium | Mikio Ohno, Naoto Murao, Hiroaki Araki | 2004-02-03 |
| 6149989 | Magnetic recording particulate medium | Hiroaki Araki, Tsuneo Yoshida, Masashi Aonuma, Kazuo Kato, Kazutoshi Katayama +1 more | 2000-11-21 |