NK

Naoki Koyama

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #50,323 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6665141 Magnetic head having track width defined by trench portions filled with magnetic shield material Hisashi Takano, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito, Kazuo Shiiki +5 more 2003-12-16
6538844 Method of fabricating a magnetic head by focused ion beam etching Hisashi Takano, Hideo Tanabe, Eijin Moriwaki, Isamu Yuito, Kazuo Shiiki +5 more 2003-03-25