Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391419 | Magnetic recording medium | Kazutoshi Katayama | 2002-05-21 |
KU
Kazuyuki Usuki
Overall (2002): #177,960 of 266,432Top 70%
1
Patents 2002