KW

Katsuro Watanabe

HI Hitachi: 32 patents #817 of 28,497Top 3%
HG HGST: 18 patents #129 of 1,677Top 8%
HB Hgst Netherlands, B.V.: 11 patents #56 of 972Top 6%
HA Hitachi Astemo: 4 patents #182 of 1,276Top 15%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
📍 Hitachinaka, JP: #30 of 2,447 inventorsTop 2%
Overall (All Time): #32,268 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 51–66 of 66 patents

Patent #TitleCo-InventorsDate
6771535 Semiconductor device Takeshi Sakata, Satoru Hanzawa, Hideyuki Matsuoka, Kenchi Ito 2004-08-03
6728081 Magnetic head and magnetic disk apparatus Reiko Arai, Yoshiaki Kawato 2004-04-27
6693774 Magnetoresistive sensor and magnetic storage apparatus Hiromasa Takahashi, Nobuo Yoshida, Takashi Kawabe, Kazuhiro Nakamoto 2004-02-17
6690163 Magnetic sensor Hiroyuki Hoshiya, Yasunari Tajima 2004-02-10
6671136 Magnetic head and magnetic disk apparatus Reiko Arai, Yoshiaki Kawato 2003-12-30
6643105 Magnetic head having magnetic shield layers Kazuhiro Nakamoto, Hiroyuki Hoshiya, Takashi Kawabe, Hiromasa Takahashi, Hisashi Kimura +2 more 2003-11-04
6636391 Magnetoresistive sensor, magnetic head and magnetic disk apparatus Yoshiaki Kawato, Reiko Arai 2003-10-21
6573586 Semiconductor device Takeshi Sakata, Satoru Hanzawa, Hideyuki Matsuoka, Kenchi Ito 2003-06-03
6560135 Magnetic semiconductor memory apparatus and method of manufacturing the same Hideyuki Matsuoka, Takeshi Sakata, Kiyoo Itoh 2003-05-06
6456466 Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head Kazuhiro Nakamoto, Hiroyuki Hoshiya, Takashi Kawabe, Hiromasa Takahashi, Hisashi Kimura +2 more 2002-09-24
6172859 Magnetoresistive head and magnetic disk apparatus Takashi Kawabe, Shigeru Tadokoro, Hiroshi Kamio, Takao Imagawa 2001-01-09
6157526 Magnetoresistive head and magnetic disk apparatus Takashi Kawabe, Shigeru Tadokoro, Hiroshi Kamio, Takao Imagawa 2000-12-05
6130797 Magnetic recorder and magnetooptical recorder Kyo Akagi, Yoshihiro Shiroishi, Reijiro Tsuchiya, Takehiko Hamaguchi, Masuo Umemoto +6 more 2000-10-10
6088196 Magnetoresistive head and manufacturing method therefor Shigeru Tadokoro, Takao Imagawa, Yasunari Tajima 2000-07-11
5995338 Magnetoresistive head and magnetic disk apparatus Takashi Kawabe, Shigeru Tadokoro, Hiroshi Kamio, Takao Imagawa 1999-11-30
5872690 Magnetic transducer and magnetic recording device utilizing material in which undirectional anisotropy can be formed Shigeru Tadokoro, Takao Imagawa, Akira Kumagai 1999-02-16