Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645898 | Method for manufacturing a magnetic recording member | Kenji Sato, Chiaki Okuyama | 1997-07-08 |
IO
Iwao Okamoto
Overall (1997): #137,677 of 185,788Top 75%
1
Patents 1997