SN

Sadanori Nagaike

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
Overall (All Time): #356,975 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6191923 Magnetic head slider assembly for magnetic disk recording/reproducing apparatus Mikio Tokuyama, Teruyoshi Higashiya, Yoshinori Takeuchi, Kazuo Nate, Tetsuji Higashijima +3 more 2001-02-20
6118635 Magnetic storage apparatus having a head with sliding pads Yoji Maruyama, Makoto Aihara, Teruyoshi Higashiya, Mikio Tokuyama, Tetsuji Higashijima +2 more 2000-09-12
6025974 Magnetic head slider assembly for magnetic disk recording/reproducing apparatus Mikio Tokuyama, Teruyoshi Higashiya, Yoshinori Takeuchi, Kazuo Nate, Tetsuji Higashijima +3 more 2000-02-15
5886856 Magnetic head slider assembly for magnetic disk recording/reproducing apparatus Mikio Tokuyama, Teruyoshi Higashiya, Yoshinori Takeuchi, Kazuo Nate, Tetsuji Higashijima +3 more 1999-03-23
5666334 Storage device capable of using both optical and magnetic disk units for storing information data Mikio Tokuyama, Yoshinori Takeuchi, Susumu Ebihara, Kenji Mori, Hiromu Hirai +1 more 1997-09-09
5045961 Thin film magnetic head Tetsuo Kobayashi 1991-09-03
4939045 Magnetic recording medium Kazuetsu Yoshida, Yoshihiro Shiroishi, Makoto Saito, Norikazu Tsumita, Takeo Yamashita +8 more 1990-07-03
4883711 Magnetic recording medium Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Yoshibumi Matsuda +4 more 1989-11-28
4841402 Thin film magnetic head and method of manufacture Tadashi Imanaka, Masayuki Takagi, Eisei Togawa, Harunobu Saito, Masaki Ohura 1989-06-20
4796126 Magnetic head flying slider assembly Hiroshi Tsuchiya, Yoshiakira Karakama, Hiroyasu Nakajima, Kousaku Chida 1989-01-03
4749439 Method for manufacturing thin film magnetic head Tetsuo Kobayashi 1988-06-07
4734802 Film magnetic head slider having a contacting portion containing zirconia and carbon Shinsuke Higuchi, Yukio Takeda, Shiro Iijima, Masaki Ohura 1988-03-29
4639803 Thin film magnetic head slider Yukio Takeda, Shiro Iijima, Shinsuke Higuchi, Masaki Ohura 1987-01-27
4626947 Thin film magnetic head Shinji Narishige, Tsuneo Yoshinari, Mituo Sato, Masayuki Takagi, Toshihiro Yoshida +1 more 1986-12-02