Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914735 | Manufacturing method for magnetic recording medium, and master information carrier used therefor | Taizou Hamada, Tatsuaki Ishida | 2005-07-05 |
| 6858329 | Master disc and method for manufacturing magnetic disc using the same | Taizou Hamada, Hideyuki Hashi, Tatsuaki Ishida, Nobuyuki Komura, Keizo Miyata +1 more | 2005-02-22 |
| 6859339 | Master information magnetic recording apparatus and method for manufacturing magnetic recording medium in which information is recorded by using this | Keizo Miyata, Taizou Hamada, Kouji Taniguchi, Masaya Sakaguchi | 2005-02-22 |