Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503107 | Method for manufacturing a magnetic head using a multi-stage ion milling | Yoshihiko Koyama, Naoto Matono | 2009-03-17 |
| 7457080 | Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus | Yuichi Watabe, Susumu Aoki, Reiichi Kurumisawa, Norikazu Ota | 2008-11-25 |
| 7453668 | Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus | Susumu Aoki, Reiichi Kurumisawa, Norikazu Ota, Yuichi Watabe | 2008-11-18 |
| 7433152 | Perpendicular magnetic recording head, method of manufacturing the same, and magnetic recording apparatus | Yuichi Watabe, Susumu Aoki, Reiichi Kurumisawa, Norikazu Ota | 2008-10-07 |
| 7382578 | Thin film magnetic head, method of manufacturing the same and magnetic recording apparatus | Naoto Matono | 2008-06-03 |
| 7245454 | Magnetic head for vertical magnetic recording including main pole layer having varying width and thickness, head gimbal assembly, and hard disk drive | Susumu Aoki, Yuichi Watabe, Norikazu Ota, Tetsuya Roppongi | 2007-07-17 |
| 7219414 | Method of manufacturing magnetic head for perpendicular magnetic recording | Yuichi Watabe, Susumu Aoki, Tetsuya Roppongi | 2007-05-22 |
| 7206166 | Thin film magnetic head and method of manufacturing the same | Akihiro Oda, Tetsuya Roppongi | 2007-04-17 |
| 7154707 | Thin film magnetic head and magnetic recording apparatus | Yuichi Watabe, Norikazu Ota, Susumu Aoki, Tetsuya Roppongi, Naoto Matono | 2006-12-26 |
| 7061719 | Thin film magnetic head and method of manufacturing the same | Naoto Matono, Norikazu Ota, Yuichi Watabe, Susumu Aoki | 2006-06-13 |
| 6952325 | Thin film magnetic head and method of manufacturing the same | Yoshikazu Sato, Yuko Motegi, Tetsuya Roppongi | 2005-10-04 |
| 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 | Yoshikazu Sato, Tetsuya Roppongi | 2004-04-27 |