EA

Eiji Ashida

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Overall (All Time): #464,470 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8681923 Method of manufacturing core shroud for nuclear power plant and structure of nuclear power plant Xudong Zhang, Shoh Tarasawa, Masaya Okada, Yusuke Anma 2014-03-25
5897969 Method of fabricating a magnetoresistive thin-film magnetic head Akira Taniyama, Makoto Morijiri, Haruko Tanaka, Isamu Yuito, Hiroaki Koyanagi +2 more 1999-04-27
5701221 Magnetoresistive thin-film magnetic head and method of fabrication thereof Akira Taniyama, Makoto Morijiri, Haruko Tanaka, Isamu Yuito, Hiroaki Koyanagi +2 more 1997-12-23
5687045 Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head Tetsuya Okai, Moriaki Fuyama, Akira Onuma, Hiroshi Ikeda, Saburo Suzuki +3 more 1997-11-11
5668685 Magnetic disc apparatus Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Moriaki Fuyama, Hiroshi Fukui +3 more 1997-09-16
5436777 Magnetoresistive head Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Moriaki Fuyama, Shinji Narishige +1 more 1995-07-25
5349745 Method of fabricating thin-film magnetic head Takashi Kawabe, Moriaki Fuyama, Tadayuki Iwakura, Hiroshi Fukui, Yoshikazu Tsuji +5 more 1994-09-27
5296979 Magnetic disc apparatus with thin film head suitable for high-density recording Takashi Kawabe, Moriaki Fuyama, Shinji Narishige, Masatoshi Tsuchiya, Makoto Morijiri +9 more 1994-03-22
4971896 Method for forming thin film pattern and method for fabricating thin film magnetic head using the same Takashi Kawabe, Ataru Kobayashi, Moriaki Fuyama, Makoto Morijiri, Masatoshi Tsuchiya +5 more 1990-11-20
4396823 Method of electrode current control in welding apparatus having a plurality of electrodes Masayasu Nihei, Satoshi Kokura, Yuzo Kozono, Akira Onuma 1983-08-02
4280137 Method and apparatus for automatically controlling arc welding Masayasu Nihei, Hiroshi Wachi, Akira Sato, Satoshi Kokura 1981-07-21