Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695387 | CSS magnetic recording head slider and method of making same | Mark D. Moravec, Tu Chen, Tracy L. Scott, Tsutomu Yamashita, Tam Huu Nguyen | 1997-12-09 |
| 5673156 | Hard disk drive system having virtual contact recording | Tu Chen, Tsutomu Yamashita, Yasuo Sakane | 1997-09-30 |
| 5507930 | Method of sputtering a carbon protective film on a magnetic disk by superimposing an AC voltage on a DC bias voltage | Tsutomu Yamashita, Rajiv Yadav Ranjan, Yuri Trachuk | 1996-04-16 |