Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193590 | Abrasive tape for texturing magnetic recording media | Joel R. Weiss, Koji Shima, Joseph Leigh, Hiroshi Konishi, Hiroki Hara +1 more | 2001-02-27 |
| 5798164 | Zone textured magnetic recording media | Joel R. Weiss, Koji Shima, Joseph Leigh, Hiroshi Konishi, Hiroki Hara +1 more | 1998-08-25 |