Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159505 | Rotating drum having a center of gravity in registry with an axis of rotation | Yasuaki Horiuchi, Kuninori Imai, Takeshi Tajima, Shigekazu Otomo, Noriyuki Kumasaka | 1992-10-27 |
| 5147732 | Longitudinal magnetic recording media and magnetic memory units | Yoshihiro Shiroishi, Sadao Hishiyama, Noriyuki Kumasaka, Yoshibumi Matsuda, Hiroyuki Suzuki +4 more | 1992-09-15 |
| 4972285 | Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same | Shigekazu Otomo, Noriyuki Kumasaka, Hideo Fujiwara, Shinji Takayama, Noritoshi Saito +1 more | 1990-11-20 |
| 4939045 | Magnetic recording medium | Kazuetsu Yoshida, Yoshihiro Shiroishi, Makoto Saito, Norikazu Tsumita, Hiroyuki Suzuki +8 more | 1990-07-03 |
| 4851942 | Floating magnetic head having a magnetic core buried in a channel on an air bearing rail | Niroyuki Kumasaka, Shigekazu Otomo, Noritoshi Saito, Yokuo Saitoh, Hiroshi Sakurai | 1989-07-25 |
| 4847715 | Magnetic head having short distance between gaps for recording reproducing and erasing | Noriyuki Kumasaka, Shigekazu Otomo, Noritoshi Saito | 1989-07-11 |
| 4803338 | Magnetic head having improved track width narrowing grooves | Noriyuki Kumasaka, Shigekazu Otomo, Hideo Zama, Juichi Morikawa | 1989-02-07 |
| 4774616 | Magnetic head having an integrated recording and playback head and an erasure head | Noriyuki Kumasaka, Hideo Fujiwara, Shigekazu Otomo, Noritoshi Saito, Mitsuhiro Kudo | 1988-09-27 |
| 4769729 | Magnetic head having ferromagnetic amorphous alloy multi-layered film | Noriyuki Kumasaka, Shigekazu Otomo, Noritoshi Saito | 1988-09-06 |
| 4766039 | Magnetic head made from amorphous magnetic film | Shigekazu Otomo, Noriyuki Kumasaka, Noritoshi Saito, Kazuo Shiiki, Yoshihiro Hamakawa | 1988-08-23 |
| 4748089 | Multilayered ferromagnetic amorphous alloy film and magnetic head employing the same | Noriyuki Kumasaka, Kazuo Shiiki, Shigekazu Otomo, Yoshihiro Shiroishi, Noritoshi Saito +2 more | 1988-05-31 |
| 4745507 | Composite type magnetic head with non-magnetic member in coil mounting portion | Shigekazu Otomo, Noriyuki Kumasaka, Juichi Morikawa, Hideo Fujiwara, Osamu Inagoya +2 more | 1988-05-17 |
| 4731683 | Magnetic recording and reproducing system with composite magnetic head | Shigekazu Otomo, Noriyuki Kumasaka, Juichi Morikawa, Takayuki Kobayashi, Mitsuhiro Kudo | 1988-03-15 |
| 4656547 | Composite type magnetic head for recording and reproducing high frequency signals | Noriyuki Kumasaka, Hideo Fujiwara, Shigekazu Otomo, Shinji Takayama, Noritoshi Saito +1 more | 1987-04-07 |
| 4610935 | Magnetic film structure | Noriyuki Kumasaka, Hideo Fujiwara, Noritoshi Saito, Shigekazu Otomo, Mitsuhiro Kudo | 1986-09-09 |
| 4571652 | Magnetic recording and reproducing apparatus | Hideo Fujiwara, Shigekazu Otomo, Kiminari Shinagawa, Noriyuki Kumasaka, Mitsuhiro Kudo +1 more | 1986-02-18 |
| 4559572 | Magnetic head and method of fabricating same | Noriyuki Kumasaka, Hideo Fujiwara, Shigekazu Otomo, Shinji Takayama, Noritoshi Saito +2 more | 1985-12-17 |
| 4439794 | Magnetic head | Yoshihiro Shiroishi, Hideo Fujiwara, Takeshi Kimura, Noriyuki Kumasaka, Nobuo Kobayashi +4 more | 1984-03-27 |