IT

Ichiro Tamai

HG HGST: 15 patents #358 of 1,677Top 25%
HI Hitachi: 14 patents #2,889 of 28,497Top 15%
HB Hgst Netherlands, B.V.: 7 patents #109 of 972Top 15%
Overall (All Time): #94,619 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
6596420 Magnetic recording media and magnetic recording system using the same Tetsuya Kanbe, Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Kiwamu Tanahashi +7 more 2003-07-22
6574060 Magnetic storage apparatus Tetsuya Kanbe, Yuzuru Hosoe, Kiwamu Tanahashi, Yoshio Takahashi, Fumiyoshi Kirino +2 more 2003-06-03
6569545 Magnetic recording medium and a magnetic storage apparatus Tetsuya Kanbe, Yuzuru Hosoe, Yoshio Takahashi, Kiwamu Tanahashi, Satoshi Matsunuma +1 more 2003-05-27
6403240 Magnetic recording media and magnetic recording system using the same Tetsuya Kanbe, Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Kiwamu Tanahashi +7 more 2002-06-11
6403242 Magnetic recording medium and magnetic recording system using such a magnetic recording medium Tetsuya Kanbe, Yoshio Takahashi, Akira Ishikawa, Yuzuru Hosoe, Yoshifumi Matsuda +2 more 2002-06-11
6221508 Magnetic recording media Tetsuya Kanbe, Yuzuru Hosoe, Kiwamu Tanahashi, Yoshio Takahashi, Fumiyoshi Kirino +2 more 2001-04-24
6177208 Magnetic recording system and magnetic recording medium used therefor Tomoo Yamamoto, Nobuyuki Inaba, Masukazu Igarashi, Masaaki Futamoto, Yuzuru Hosoe +2 more 2001-01-23
6080476 Magnetic recording medium and magnetic recording system using such a magnetic recording medium Tetsuya Kanbe, Yoshio Takahashi, Akira Ishikawa, Yuzuru Hosoe, Yoshifumi Matsuda +2 more 2000-06-27
6001447 Longitudinal magnetic recording media and magnetic storage apparatus using the same Kiwamu Tanahashi, Yuzuru Hosoe, Tetsuya Kanbe, Tomoo Yamamoto, Masukazu Igarashi +1 more 1999-12-14
5922456 Longitudal magnetic recording medium having a multi-layered underlayer and magnetic storage apparatus using such magnetic recording medium Kiwamu Tanahashi, Yuzuru Hosoe, Tetsuya Kanbe, Tomoo Yamamoto 1999-07-13
5919581 Magnetic recording system and magnetic recording medium used therefor Tomoo Yamamoto, Nobuyuki Inaba, Masukazu Igarashi, Masaaki Futamoto, Yuzuru Hosoe +2 more 1999-07-06