TI

Takao Imagawa

HI Hitachi: 31 patents #867 of 28,497Top 4%
HG HGST: 2 patents #144 of 483Top 30%
Overall (All Time): #108,615 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
5726838 Magnetic disc apparatus with head having magneto-resistance effect Susumu Soeya, Shigeru Tadokoro, Akira Kumagai, Moriaki Fuyama, Shinji Narishige 1998-03-10
5668685 Magnetic disc apparatus Susumu Soeya, Shigeru Tadokoro, Eiji Ashida, Moriaki Fuyama, Hiroshi Fukui +3 more 1997-09-16
5436777 Magnetoresistive head Susumu Soeya, Shigeru Tadokoro, Eiji Ashida, Moriaki Fuyama, Shinji Narishige +1 more 1995-07-25
5214840 Thin film magnetic head and the method of fabricating the same Masaaki Sano, Katsuya Mitsuoka, Kouichi Nishioka, Shinji Narishige, Tetsuo Kobayashi 1993-06-01
5109312 Magnetic recording apparatus and magnetic head with superconducting material Takahiko Kato, Jiro Kuniya, Katsuzo Aihara 1992-04-28
5051856 Thin film magnetic head with mixed crystal structures Shinji Narishige, Katsuya Mitsuoka, Kouichi Nishioka, Akira Kumagai, Masaaki Sano +7 more 1991-09-24
4943883 Quarternary amorphous magnetic alloy thin film and magnetic head including same Masaaki Sano, Kouichi Nishioka, Shinji Narishige, Masanobu Hanazono, Takashi Onishi +1 more 1990-07-24
4939610 Thin film magnetic head having magnetic core including a thin film of cobalt alloy Shinji Narishige, Masaaki Sano, Kouichi Nishioka, Masanobu Hanazono, Tetsuo Kobayashi +1 more 1990-07-03