YK

Yohei Koyanagi

Tdk: 1 patents #191 of 474Top 45%
Overall (2011): #122,958 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8009392 Thin film magnetic head and magnetic disk device Takayasu Kanaya, Kei Hirata, Seiichi Takayama, Shinji Hara, Toshiyuki Ayukawa 2011-08-30