Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9012047 | Substrate for magnetic disk and magnetic disk | Kouji Kitsunai, Hiroshi Takeda | 2015-04-21 |
| 8734967 | Substrate for magnetic disk and magnetic disk | Kouji Kitsunai, Hiroshi Takeda | 2014-05-27 |