Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8437102 | Perpendicular magnetic head with side shield depth less than write gap film | Yoji Maruyama, Takayuki Iwakura, Masafumi Mochizuku | 2013-05-07 |
| 8000058 | Magnetic head for perpendicular recording having pole pieces provided on surface of soft magnetic film | Tadayuki Iwakura, Youji Maruyama, Masafumi Mochizuki | 2011-08-16 |
| 7646564 | Perpendicular magnetic recording head for high frequency drive | Yoji Maruyama, Hideki Zaitsu, Kazue Kudo, Masafumi Mochizuki | 2010-01-12 |
| 7576952 | Magnetic write head including a magnetic pole piece having a protrusion | Yoji Maruyama, Tadayuki Iwakura, Makoto Morijiri, Shigekazu Ohtomo | 2009-08-18 |
| 7551395 | Main pole structure coupled with trailing gap for perpendicular recording | Yoji Maruyama, Kazue Kudo, Tadayuki Iwakura | 2009-06-23 |