Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814034 | Variable stroke engine | Yoshikazu Yamada | 2004-11-09 |
| 6738222 | Thin-film magnetic head and method of manufacturing same | Tetsuya Roppongi | 2004-05-18 |
| 6728064 | Thin-film magnetic head having two magnetic layers, one of which includes a pole portion layer and a yoke portion layer, and method of manufacturing same | Tetsuya Roppongi, Yasuyuki Notsuke | 2004-04-27 |