HH

Hiroyuki Hoshiya

HG HGST: 25 patents #104 of 1,677Top 7%
HI Hitachi: 22 patents #1,535 of 28,497Top 6%
HB Hgst Netherlands, B.V.: 8 patents #98 of 972Top 15%
WT Western Digital Technologies: 4 patents #770 of 3,180Top 25%
HI Hitach: 1 patents #1 of 68Top 2%
Overall (All Time): #39,314 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
7813079 Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it Yoshiaki Kawato, Kazuhiro Nakamoto, Yasuyuki Okada, Masafumi Mochizuki 2010-10-12
7733614 Magneto-resistive head having a stable response property without longitudinal biasing and method for manufacturing the same Kenichi Meguro, Hiroyuki Katada, Katsumi Hoshino 2010-06-08
7697245 CPP-GMR magnetic head having GMR-screen layer Katsumi Hoshino, Kenichi Meguro, Yo Sato, Hiroyuki Katada 2010-04-13
7532433 Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it Yoshiaki Kawato, Kazuhiro Nakamoto, Yasuyuki Okada, Masafumi Mochizuki 2009-05-12
7456758 Magnetic encoder apparatus Kenichi Meguro, Kazuhiro Nakamoto, Yasunori Abe 2008-11-25
7443636 Magnetic head having layered film with tilted crystalline grain structure Katsumi Hoshino, Kenichi Meguro, Yasuyuki Okada 2008-10-28
7440240 Magnetic head with domain stabilization and magnetic recording/reproducing apparatus using the same Katsumi Hoshino, Masahiko Hatatani, Kenichi Meguro 2008-10-21
7440241 Magnetoresistive head using longitudinal biasing method with 90-degree magnetic interlayer coupling and manufacturing method thereof Katsumi Hoshino, Hiroyuki Katada, Kenichi Meguro 2008-10-21
7426091 Magnetic head Yasuyuki Okada, Yoshiaki Kawato 2008-09-16
7400137 Magnetic encoder having a stable output property with unsaturated magnetic sensor Kenichi Meguro, Kazuhiro Nakamoto, Yasuyuki Okada, Yasunori Abe 2008-07-15
7265948 Magnetoresistive element with oxide magnetic layers and metal magnetic films deposited thereon Susumu Soeya, Kenichi Meguro 2007-09-04
7221538 Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it Yoshiaki Kawato, Kazuhiro Nakamoto, Yasuyuki Okada, Masafumi Mochizuki 2007-05-22
7158351 Magnetic recording and reproducing head restraining a side reading Kazuhiro Nakamoto, Chiaki Ishikawa 2007-01-02
7116534 Magnetoresistive head Chiaki Ishikawa 2006-10-03
7110218 Inductive head and magnetic disk apparatus Shunichi Narumi, Yohji Maruyama 2006-09-19
7061727 Magnetoresistive head using multilayered varistor material Katsumi Hoshino 2006-06-13
7057853 Magnetic head Yasuyuki Okada, Yoshiaki Kawato 2006-06-06
6967823 Magnetic recording head Kazuhiro Nakamoto, Chiaki Ishikawa 2005-11-22
6937449 Spin-valve head containing closed-flux-structure domain control films Masahiko Hatatani, Hisashi Kimura, Hiroshi Ide 2005-08-30
6934128 Magnetic head and magnetic disk drive Yuko Tsuchiya, Yoshiaki Kawato, Katsuro Watanabe, Hiroshi Ide 2005-08-23
6794063 Thin film magnetic head and method of fabricating the head Yasuyuki Okada, Kazue Kudo 2004-09-21
6795277 Magnetic head and magnetic disk drive Yuko Tsuchiya, Yoshiaki Kawato, Katsuro Watanabe, Hiroshi Ide 2004-09-21
6721132 Inductive head and magnetic disk apparatus Shunichi Narumi, Yohji Maruyama 2004-04-13
6690163 Magnetic sensor Katsuro Watanabe, Yasunari Tajima 2004-02-10
6643105 Magnetic head having magnetic shield layers Kazuhiro Nakamoto, Takashi Kawabe, Hiromasa Takahashi, Hisashi Kimura, Katsuro Watanabe +2 more 2003-11-04