SO

Shigekazu Otomo

HI Hitachi: 34 patents #717 of 28,497Top 3%
RJ Research Development Corporation Of Japan: 3 patents #41 of 402Top 15%
HD Hitachi Denshi: 1 patents #119 of 275Top 45%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
HG HGST: 1 patents #253 of 483Top 55%
Overall (All Time): #95,057 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4745507 Composite type magnetic head with non-magnetic member in coil mounting portion Noriyuki Kumasaka, Takeo Yamashita, Juichi Morikawa, Hideo Fujiwara, Osamu Inagoya +2 more 1988-05-17
4731683 Magnetic recording and reproducing system with composite magnetic head Noriyuki Kumasaka, Takeo Yamashita, Juichi Morikawa, Takayuki Kobayashi, Mitsuhiro Kudo 1988-03-15
4701819 Magnetic head to effect high density magnetic recording Osamu Inagoya, Hideo Fujiwara, Takeshi Tottori, Minoru Yamano, Noriyuki Kumasaka +5 more 1987-10-20
4656547 Composite type magnetic head for recording and reproducing high frequency signals Noriyuki Kumasaka, Hideo Fujiwara, Takeo Yamashita, Shinji Takayama, Noritoshi Saito +1 more 1987-04-07
4610935 Magnetic film structure Noriyuki Kumasaka, Hideo Fujiwara, Noritoshi Saito, Takeo Yamashita, Mitsuhiro Kudo 1986-09-09
4571652 Magnetic recording and reproducing apparatus Hideo Fujiwara, Kiminari Shinagawa, Noriyuki Kumasaka, Takeo Yamashita, Mitsuhiro Kudo +1 more 1986-02-18
4559572 Magnetic head and method of fabricating same Noriyuki Kumasaka, Hideo Fujiwara, Takeo Yamashita, Shinji Takayama, Noritoshi Saito +2 more 1985-12-17
4420348 Amorphous alloy for magnetic head core Kazuo Shiiki, Mitsuhiro Kudo, Mitsuo Abe 1983-12-13
4411716 Amorphous alloys for magnetic head core and video magnetic head using same Kazuo Shiiki, Mitsuhiro Kudo, Takeshi Kimura, Noriyuki Kumasaka, Hideo Fujiwara 1983-10-25
4306908 Ferromagnetic amorphous alloy Shinji Takayama, Yasuo Tsukuda, Kazuo Shiiki, Mitsuhiro Kudo, Yasunobu Ogata +1 more 1981-12-22
4298381 Abrasion-resistive high permeability magnetic alloy Mitsuhiro Kudo, Hirotomo Ogihara, Yoshio Aoki 1981-11-03