Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458432 | Process for producing magnetic disk | Hitoshi Noguchi, Shinji Saito | 2002-10-01 |
| 6444290 | Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions | Masatoshi Takahashi, Hitoshi Noguchi | 2002-09-03 |