Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045292 | Perpendicular magnetic recording head with the return yoke layer having gradually increasing the width | Kiyoshi Kobayashi, Toru Takahashi, Hiroshi Kameda | 2011-10-25 |
| 8018680 | Vertical magnetic recording head device with the return yoke layer having thick portions | Hiroshi Kameda, Kiyoshi Kobayashi, Toru Takahashi | 2011-09-13 |
| 7983010 | Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head with at least one shield layer having a substantially arched portion | Hiroshi Kameda, Kiyoshi Kobayashi, Toru Takahashi, Sumihito Morita | 2011-07-19 |
| 7903371 | Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head having a magnetic shield layer with a thick edge portion | Hiroshi Kameda, Kiyoshi Kobayashi, Toru Takahashi, Sumihito Morita, Toshinori Watanabe | 2011-03-08 |
| 7859791 | Perpendicular magnetic recording head having a main magnetic pole layer with a trapezoidally shaped flared part with a ratio of the length of the long base to that of the short base is equal to 1 | Hiroshi Kameda, Eiji Ozaki | 2010-12-28 |