Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940692 | Magnetic recording head having a corrosion-protective layer of a metal salt of a perfluorinated polyether acid | Qing Dai, Paul Haruo Kasai | 2005-09-06 |
| 6932890 | Method for making a magnetic recording disk having a corrosion-protective layer of a perfluorinated polyether acid | Qing Dai, Paul Haruo Kasai | 2005-08-23 |
| 6916955 | Process for synthesizing perfluorinated polyethers with metal carboxylate end groups | Qing Dai, Paul Haruo Kasai | 2005-07-12 |