YS

Yoshihiro Shiroishi

HI Hitachi: 53 patents #249 of 28,497Top 1%
HG HGST: 4 patents #68 of 483Top 15%
HB Hgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #40,678 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
4748089 Multilayered ferromagnetic amorphous alloy film and magnetic head employing the same Noriyuki Kumasaka, Kazuo Shiiki, Shigekazu Otomo, Takeo Yamashita, Noritoshi Saito +2 more 1988-05-31
4651248 Thin-film magnetic head Kazuo Shiiki, Isamu Yuito, Kiminari Shinagawa, Hideo Fujiwara 1987-03-17
4636897 Perpendicular magnetic recording and reproducing thin film head Hitoshi Nakamura, Kasuo Shiiki, Isamu Yuito, Hideo Fujiwara, Kiminari Shinagawa +1 more 1987-01-13
4631612 Magnetic recording and reproducing system Kazuo Shiiki, Isamu Yuito, Kiminari Shinagawa, Yasutaro Uesaka, Hideo Fujiwara +1 more 1986-12-23
4576876 Magnetic recording medium Kazuo Shiiki, Osamu Kitakami, Yasutaro Uesaka 1986-03-18
4539616 Thin film magnetic head and fabricating method thereof Isamu Yuito, Kazuo Shiiki, Atsushi Saiki, Yoshio Homma, Noriyuki Kumasaka +1 more 1985-09-03
4450494 Magnetic head Hideo Fujiwara, Mitsuhiro Kudo, Teizo Tamura, Nobuyuki Sugishita, Takeshi Kimura +2 more 1984-05-22
4439794 Magnetic head Hideo Fujiwara, Takeshi Kimura, Noriyuki Kumasaka, Nobuo Kobayashi, Takeo Yamashita +4 more 1984-03-27
4316228 Magnetic head Hideo Fujiwara, Mitsuhiro Kudo, Teizou Tamura, Nobuyuki Sugishita, Takeshi Kimura +2 more 1982-02-16