Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740961 | Magnetic recording medium | Hiroyuki Hieda, Naoko Kihara | 2010-06-22 |
| 5716462 | Magnetic material and bonded magnet | Shinya Sakurada, Akihiko Tsutai, Takahiro Hirai, Masashi Sahashi, Tomohisa Arai +1 more | 1998-02-10 |