Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744256 | Magnetic recording medium and method of producing same | Noriyoshi Goda, Shinya Matsuoka, Takaaki Shirakura | 1998-04-28 |
| 4696831 | Method of orienting magnetic disc by magnetic field | Isao Sakaguchi | 1987-09-29 |