Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859339 | Master information magnetic recording apparatus and method for manufacturing magnetic recording medium in which information is recorded by using this | Yasuaki Ban, Keizo Miyata, Taizou Hamada, Masaya Sakaguchi | 2005-02-22 |