Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731446 | METHOD FOR FORMING A MAGNETIC PATTERN IN A MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING A MAGNETIC RECORDING MEDIUM, MAGNETIC PATTERN FORMING DEVICE, MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING DEVICE | Hiroyuki Ikeda, Youji Arita, Masahiro Kawashima, Yuzo Seo | 2004-05-04 |