KY

Kazuetsu Yoshida

HI Hitachi: 36 patents #629 of 28,497Top 3%
HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
HG HGST: 1 patents #253 of 483Top 55%
📍 Kodaira, JP: #25 of 1,073 inventorsTop 3%
Overall (All Time): #90,933 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
5759681 Magnetic recording medium and magnetic recording system using the same Yuzuru Hosoe, Nobuyuki Inaba, Tomoo Yamamoto, Akira Ishikawa, Masaaki Futamoto +2 more 1998-06-02
5723198 Multi-layered magnetic recording medium and magnetic recording system employing the same Yuzuru Hosoe, Yoshihiro Shiroishi, Akira Ishikawa, Futoshi Tomiyama, Tomoo Yamamoto +7 more 1998-03-03
5496620 Magnetic recording medium Osamu Kitakami, Kunio Wakai 1996-03-05
5244751 Perpendicular magnetic recording medium, its fabrication method and read-write machine using it Takanobu Takayama 1993-09-14
5073460 Magnetic recording medium and process for producing the same Masaaki Futamoto, Yukio Honda, Selichi Asada, Takashi Nishimura, Heigo Ishihara 1991-12-17
5068158 Magnetic recording medium and process for preparing the same Masaaki Futamoto, Yukio Honda 1991-11-26
4939045 Magnetic recording medium Yoshihiro Shiroishi, Makoto Saito, Norikazu Tsumita, Takeo Yamashita, Hiroyuki Suzuki +8 more 1990-07-03
4840844 Magnetic recording medium Masaaki Futamoto, Yukio Honda, Shinichiro Saito, Takashi Nishimura, Toyoji Okuwaki +6 more 1989-06-20
4792497 Magnetic recording media for longitudinal recording Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Shyuichi Kojima +4 more 1988-12-20
4743491 Perpendicular magnetic recording medium and fabrication method therefor Seiichi Asada, Hiroyuki Suzuki, Toshio Niihara, Masaaki Futamoto, Yukio Honda +2 more 1988-05-10
4722869 Magnetic recording medium Yukio Honda, Masaaki Futamoto, Yasutaro Uesaka 1988-02-02
4707756 Perpendicular magnetic recording medium Masaaki Futamoto, Yukio Honda, Yasutaro Uesaka 1987-11-17