Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671107 | Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength | Katsuya Mitsuoka, Hiroshi Fukui, Makoto Aihara, Masanori Tanabe, Moriaki Fuyama +8 more | 1997-09-23 |
| 5665478 | Magnetic recording media for longitudinal recording | Hiroyuki Suzuki, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa, Yoshibumi Matsuda +5 more | 1997-09-09 |
| 5618639 | Magnetic recording medium and magnetic recording apparatus | Tomoyuki Ohno, Yotsuo Yahisa, Akira Osaki, Yuichi Ootani | 1997-04-08 |
| 5605733 | Magnetic recording medium, method for its production, and system for its use | Akira Ishikawa, Sadao Hishiyama, Tomoo Yamamoto, Tomoyuki Ohno, Yotsuo Yahisa +1 more | 1997-02-25 |