MF

Masaaki Futamoto

HI Hitachi: 64 patents #141 of 28,497Top 1%
HG HGST: 6 patents #29 of 483Top 7%
HM Hitachi Maxell: 5 patents #189 of 1,211Top 20%
Overall (All Time): #29,565 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
6544672 Magnetic recording medium and magnetic storage Nobuyuki Inaba, Tomoo Yamamoto, Masukazu Igarashi, Yuzuru Hosoe, Akira Ishikawa 2003-04-08
6541125 Magnetic recording medium Nobuyuki Inaba, Yoshiyuki Hirayama, Teruaki Takeuchi, Yukio Honda 2003-04-01
6534164 Magnetic recording medium and magnetic recording apparatus using the same Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito 2003-03-18
6528149 Perpendicular-magnetic recording media and magnetic recording apparatus Kazuetsu Yoshida, Yoshiyuki Hirayama 2003-03-04
6483677 Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more 2002-11-19
6447936 Magnetic recording medium and magnetic recording apparatus using the same Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito 2002-09-10
6403203 Magnetic recording medium and magnetic recording apparatus using the same Nobuyuki Inaba, Yoshiyuki Hirayama, Yukio Honda, Kazuetsu Yoshida, Kenya Ito 2002-06-11
6383667 Magnetic recording medium Nobuyuki Inaba, Yoshiyuki Hirayama, Teruaki Takeuchi, Yukio Honda 2002-05-07
6349008 Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same Takanobu Takayama, Kiwamu Tanahashi, Kazuetsu Yoshida, Mikio Suzuki, Yoshiyuki Hirayama +1 more 2002-02-19
6310748 Magnetic thin film magnetic recording medium Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more 2001-10-30
6278593 Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more 2001-08-21
6251532 Magnetic recording medium and magnetic storage device using the same Nobuyuki Inaba, Tomoo Yamamoto, Masukazu Igarashi, Yuzuru Hosoe, Akira Ishikawa 2001-06-26
6183893 Perpendicular magnetic recording medium and magnetic storage apparatus using the same Yoshiyuki Hirayama, Kenya Ito, Kazuetsu Yoshida, Yukio Honda, Nobuyuki Inaba 2001-02-06
6177208 Magnetic recording system and magnetic recording medium used therefor Tomoo Yamamoto, Nobuyuki Inaba, Masukazu Igarashi, Yuzuru Hosoe, Ichiro Tamai +2 more 2001-01-23
6083599 Perpendicular magnetic recording media and magnetic recording and reproducing apparatus using the same Yoshiyuki Hirayama, Yukio Honda, Kazusuke Yamanaka, Kenya Ito 2000-07-04
6011674 Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more 2000-01-04
5919581 Magnetic recording system and magnetic recording medium used therefor Tomoo Yamamoto, Nobuyuki Inaba, Masukazu Igarashi, Yuzuru Hosoe, Ichiro Tamai +2 more 1999-07-06
5875082 Magnetic recording media, magnetic heads and magnetic read-write apparatus using the same Takanobu Takayama, Kiwamu Tanahashi, Kazuetsu Yoshida, Mikio Suzuki, Yoshiyuki Hirayama +1 more 1999-02-23
5851643 Magnetic recording media and magnetic recording read-back system which uses such media Yukio Honda, Nobuyuki Inaba, Mikio Suzuki, Hiroyuki Awano, Yoshibumi Matsuda +1 more 1998-12-22
5766718 Longitudinal magnetic recording medium and apparatus Yoshibumi Matsuda, Fumio Kugiya, Yoshinori Miyamura, Takeshi Nakano, Hisashi Takano +3 more 1998-06-16
5759681 Magnetic recording medium and magnetic recording system using the same Yuzuru Hosoe, Kazuetsu Yoshida, Nobuyuki Inaba, Tomoo Yamamoto, Akira Ishikawa +2 more 1998-06-02
5738927 Perpendicular magnetic recording media and magnetic recording device Atsushi Nakamura, Yoshiyuki Hirayama, Mikio Suzuki, Yukio Honda, Takanobu Takayama 1998-04-14
5736235 Magnetic recording medium having at least two magnetic layers with easy axes oriented in the same direction Yoshibumi Matsuda, Yoshinori Miyamura, Tokuho Takagaki, Hisashi Takano, Fumio Kugiya +5 more 1998-04-07
5726837 Multilayer magnetoresistance effect-type magnetic head Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more 1998-03-10
5685958 Method of fabricating a magnetic recording medium Atsushi Nakamura, Nobuyuki Inaba, Yoshiyuki Hirayama, Yoshibumi Matsuda, Mikio Suzuki +1 more 1997-11-11