Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221544 | Magnetic recording apparatus and magnetic head | Takayoshi Ohtsu | 2007-05-22 |
| 7157162 | Magnetic recording medium and magnetic recording and reproducing apparatus | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2007-01-02 |
| 6846577 | Magnetic recording medium possessing a fluctuation field of not less than 30 Oe | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2005-01-25 |
| 6613428 | Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2003-09-02 |
| 6310748 | Magnetic thin film magnetic recording medium | Kazusuke Yamanaka, Tomoo Yamamoto, Yuzuru Hosoe, Nobuyuki Inaba, Yasutaro Uesaka +3 more | 2001-10-30 |
| 6275360 | Read-write head | Kazuhiro Nakamoto, Takashi Kawabe, Tetsuo Kobayashi, Shun-ichi Marumi, Takao Imagawa | 2001-08-14 |
| 5726838 | Magnetic disc apparatus with head having magneto-resistance effect | Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Akira Kumagai, Moriaki Fuyama | 1998-03-10 |
| 5723198 | Multi-layered magnetic recording medium and magnetic recording system employing the same | Yuzuru Hosoe, Yoshihiro Shiroishi, Akira Ishikawa, Futoshi Tomiyama, Kazuetsu Yoshida +7 more | 1998-03-03 |
| 5671107 | Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength | Katsuya Mitsuoka, Hiroshi Fukui, Makoto Aihara, Masanori Tanabe, Moriaki Fuyama +8 more | 1997-09-23 |
| 5668685 | Magnetic disc apparatus | Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Eiji Ashida, Moriaki Fuyama +3 more | 1997-09-16 |
| 5471358 | Thin film magnetoresistive head which includes a domain suppressing layer and method for manufacturing the same | Shigeru Tadokoro, Hiroaki Koyanagi, Tetsuo Kobayashi | 1995-11-28 |
| 5461517 | Magneto-resistance effect type of recording/reproducing head | Mitsuo Suda, Kazuo Shiiki, Masanori Tanabe, Eiji Nakanishi, Kouichi Shimizu +2 more | 1995-10-24 |
| 5436777 | Magnetoresistive head | Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Eiji Ashida, Moriaki Fuyama +1 more | 1995-07-25 |
| 5327313 | Magnetoresistance effect type head having a damage immune film structure | Kouichi Nishioka, Shigeru Tadokoro | 1994-07-05 |
| 5316617 | Thin film magnetic head and method of manufacturing the same | Takashi Kawabe, Moriaki Fuyama, Akira Onuma, Tetsuya Okai, Yutaka Sugita +1 more | 1994-05-31 |
| 5296979 | Magnetic disc apparatus with thin film head suitable for high-density recording | Takashi Kawabe, Moriaki Fuyama, Masatoshi Tsuchiya, Eiji Ashida, Makoto Morijiri +9 more | 1994-03-22 |
| 5245493 | Magnetic information storage apparatus including magnetic head and method for making magnetic head | Takashi Kawabe, Moriaki Fuyama, Eizi Ashida, Makoto Morijiri, Masanori Tanabe +8 more | 1993-09-14 |
| 5241440 | Thin film magnetic head and manufacturing method therefor | Eizi Ashida, Moriaki Fuyama, Hideki Yamazaki, Makoto Morijiri, Takashi Kawabe +3 more | 1993-08-31 |
| 5214840 | Thin film magnetic head and the method of fabricating the same | Takao Imagawa, Masaaki Sano, Katsuya Mitsuoka, Kouichi Nishioka, Tetsuo Kobayashi | 1993-06-01 |
| 5109311 | Magnetic disk device and method of recording/retrieving information | Masanobu Hanazono, Yutaka Sugita, Hiroshi Fukui, Hirotsugu Fukuoka, Hajime Aoi +4 more | 1992-04-28 |
| 5051856 | Thin film magnetic head with mixed crystal structures | Katsuya Mitsuoka, Takao Imagawa, Kouichi Nishioka, Akira Kumagai, Masaaki Sano +7 more | 1991-09-24 |
| 4983575 | Superconducting thin films made of stacked composite oxide layers | Matahiro Komuro, Yuzo Kozono, Masanobu Hanazono | 1991-01-08 |
| 4971896 | Method for forming thin film pattern and method for fabricating thin film magnetic head using the same | Takashi Kawabe, Ataru Kobayashi, Moriaki Fuyama, Makoto Morijiri, Eiji Ashida +5 more | 1990-11-20 |
| 4943883 | Quarternary amorphous magnetic alloy thin film and magnetic head including same | Masaaki Sano, Takao Imagawa, Kouichi Nishioka, Masanobu Hanazono, Takashi Onishi +1 more | 1990-07-24 |
| 4939610 | Thin film magnetic head having magnetic core including a thin film of cobalt alloy | Masaaki Sano, Kouichi Nishioka, Takao Imagawa, Masanobu Hanazono, Tetsuo Kobayashi +1 more | 1990-07-03 |