Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7087325 | Magnetic recording medium and production process thereof | Hiroshi Kanazawa, Hiroshi Sakai, Hiroshi Ohsawa | 2006-08-08 |
| 6468602 | Method of manufacturing a magnetic recording medium | Ryuji Sakaguchi, Hiroshi Sakai, Mikio Suzuki | 2002-10-22 |
| 6316062 | Magnetic recording medium and method of producing the same | Ryuji Sakaguchi, Kazuo Kobayashi, Hiroshi Sakai, Mikio Suzuki, Kenichi Yoneyama | 2001-11-13 |
| 6255006 | Magnetic recording medium | Hiroshi Kanazawa, Hiroshi Sakai | 2001-07-03 |
| 6090496 | Magnetic recording medium and non-magnetic alloy film | Hiroshi Kanazawa, Hiroshi Sakai | 2000-07-18 |