Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272581 | Disk-type recording medium and storage apparatus | Hiroyuki Suzuki, Akira Kato, Keigo Iechika, Mikio Takada, Masaki Ohura | 1993-12-21 |
| 4792497 | Magnetic recording media for longitudinal recording | Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Kazuetsu Yoshida +4 more | 1988-12-20 |