Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726988 | Magnetic recording medium | Hitoshi Hirayama | 2004-04-27 |
MN
Masao Nakayama
Overall (2004): #160,532 of 270,089Top 60%
1
Patents 2004