MK

Mitsuhiro Kudo

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
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%
Overall (All Time): #212,346 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4972285 Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same Shigekazu Otomo, Noriyuki Kumasaka, Hideo Fujiwara, Shinji Takayama, Takeo Yamashita +1 more 1990-11-20
RE33022 Ferromagnetic amorphous alloy Shinji Takayama, Yasuo Tsukuda, Kazuo Shiiki, Shigekazu Otomo, Yasunobu Ogata +1 more 1989-08-15
4774616 Magnetic head having an integrated recording and playback head and an erasure head Noriyuki Kumasaka, Hideo Fujiwara, Shigekazu Otomo, Takeo Yamashita, Noritoshi Saito 1988-09-27
4762755 Ferromagnetic material and a magnetic head using the same material Kazuo Shiiki, Noriyuki Kumasaka, Yoshihiro Shiroishi, Hitoshi Nakamura, Yoshihiro Hamakawa +3 more 1988-08-09
4748089 Multilayered ferromagnetic amorphous alloy film and magnetic head employing the same Noriyuki Kumasaka, Kazuo Shiiki, Shigekazu Otomo, Yoshihiro Shiroishi, Takeo Yamashita +2 more 1988-05-31
4731683 Magnetic recording and reproducing system with composite magnetic head Shigekazu Otomo, Noriyuki Kumasaka, Takeo Yamashita, Juichi Morikawa, Takayuki Kobayashi 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
4668310 Amorphous alloys Shinji Takayama, Yoshizo Sawada, Yasunobu Ogata 1987-05-26
4656547 Composite type magnetic head for recording and reproducing high frequency signals Noriyuki Kumasaka, Hideo Fujiwara, Shigekazu Otomo, Takeo Yamashita, Shinji Takayama +1 more 1987-04-07
4610935 Magnetic film structure Noriyuki Kumasaka, Hideo Fujiwara, Noritoshi Saito, Shigekazu Otomo, Takeo Yamashita 1986-09-09
4571652 Magnetic recording and reproducing apparatus Hideo Fujiwara, Shigekazu Otomo, Kiminari Shinagawa, Noriyuki Kumasaka, Takeo Yamashita +1 more 1986-02-18
4559572 Magnetic head and method of fabricating same Noriyuki Kumasaka, Hideo Fujiwara, Shigekazu Otomo, Takeo Yamashita, Shinji Takayama +2 more 1985-12-17
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, Teizo Tamura, Nobuyuki Sugishita, Yoshihiro Shiroishi, Takeshi Kimura +2 more 1984-05-22
4439794 Magnetic head Yoshihiro Shiroishi, Hideo Fujiwara, Takeshi Kimura, Noriyuki Kumasaka, Nobuo Kobayashi +4 more 1984-03-27
4420348 Amorphous alloy for magnetic head core Kazuo Shiiki, Shigekazu Otomo, Mitsuo Abe 1983-12-13
4411716 Amorphous alloys for magnetic head core and video magnetic head using same Kazuo Shiiki, Shigekazu Otomo, Takeshi Kimura, Noriyuki Kumasaka, Hideo Fujiwara 1983-10-25
4316228 Magnetic head Hideo Fujiwara, Teizou Tamura, Nobuyuki Sugishita, Yoshihiro Shiroishi, Takeshi Kimura +2 more 1982-02-16
4306908 Ferromagnetic amorphous alloy Shinji Takayama, Yasuo Tsukuda, Kazuo Shiiki, Shigekazu Otomo, Yasunobu Ogata +1 more 1981-12-22
4301353 Method for producing magnetic head Masahide Suenaga, Noboru Shimizu, Hiroshi Yamaguchi, Masao Mitani 1981-11-17
4298381 Abrasion-resistive high permeability magnetic alloy Shigekazu Otomo, Hirotomo Ogihara, Yoshio Aoki 1981-11-03