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Yotsuo Yahisa

HG HGST: 2 patents #1 of 72Top 2%
HI Hitachi: 1 patents #1,316 of 3,771Top 35%
📍 Fuchu, JP: #4 of 79 inventorsTop 6%
Overall (2004): #10,347 of 270,089Top 4%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6830837 Magnetic recording medium and magnetic recording apparatus Tetsuya Kanbe, Hiroyuki Suzuki, Yoshiyuki Hirayama, Hidekazu Kashiwase 2004-12-14
6756113 Magnetic recording medium and manufacturing method thereof Yoshibumi Matsuda, Koji Sakamoto, Tetsuya Kanbe 2004-06-29
6703148 Magnetic recording medium and magnetic disk apparatus using the same Yoshibumi Matsuda, Koji Sakamoto, Yuzuru Hosoe, Akira Kato 2004-03-09
6692843 Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage Yoshibumi Matsuda, Akira Ishikawa, Yuzuru Hosoe, Tetsuya Kanbe, Koji Sakamoto 2004-02-17