YT

Yusuke Toma

Tdk: 4 patents #49 of 474Top 15%
Overall (2011): #19,445 of 364,097Top 6%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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