Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10403323 | Magnetic disk device and method of controlling the same | — | 2019-09-03 |
| 9087551 | Disk storage apparatus and write method | — | 2015-07-21 |
| 8937785 | Magnetic disk apparatus and touchdown determination method | — | 2015-01-20 |
| 8908317 | Method for detecting touchdown of head and disk storage apparatus | Yuka Aoyagi, Toru Watanabe | 2014-12-09 |
| 8027118 | Method and apparatus for controlling head with spin-torque oscillator in a disk drive | Toru Ezawa, Masahide Kanegae, Kenichiro Yamada, Katsuhiko Koui, Masayuki Takagishi | 2011-09-27 |
| 7957109 | Magnetic head of magnetoresistance effect type with high resistance to external stress | Naoki Koyama, Koichi Nishioka, Kouji Okazaki, Azusa Hori, Satoshi Shigematsu +1 more | 2011-06-07 |
| 7675715 | Magnetoresistive head and fabricating method thereof, and read write separation type head | Masatoshi Arasawa, Izuru Ishii, Naoki Koyama, Norihiro Ookawa | 2010-03-09 |
| 7623323 | Magnetoresistive head and read/write separation-type magnetic head | Koichi Nishioka, Koji Kataoka, Takayoshi Ohtsu | 2009-11-24 |
| 7586715 | Magnetic head with a narrow spacing between magnetic shields at air bearing surface | Naoki Koyama, Kouji Okazaki, Izuru Ishii, Shigeru Tadokoro | 2009-09-08 |
| 7468870 | Magnetoresistive head, with second magnetic domain control layers and manufacturing method thereof | Masatoshi Arasawa, Wataru Kimura, Koji Okazaki, Norihiro Ookawa | 2008-12-23 |
| 7466086 | Motor drive unit | Mitsuyuki Kiuchi, Sadayuki Tamae, Hisashi Hagiwara, Masahiro Suzuki | 2008-12-16 |
| 7274541 | Magnetic thin film head, the fabrication method, and magnetic disk | Gen Oikawa, Harunobu Saito, Noriyuki Saiki, Masayasu Kagawa, Akira Kondo +2 more | 2007-09-25 |
| 7230803 | Magnetic head with magnetic domain control structure having anti-ferromagnetic layer and plural magnetic layers | Akira Morinaga, Koichi Nishioka, Takayoshi Ohtsu, Norifumi Miyamoto | 2007-06-12 |
| 7209327 | Magnetoresistive head having magnetic domain control film in contact with underlayer and with ends of free layer | Norihiro Ookawa, Koji Okazaki, Satoshi Shigematsu, Yasunari Tajima | 2007-04-24 |
| 7177121 | Magnetoresistive sensor with random crystal orientation underlayer and magnetic domain control film center aligned with free layer | Norihiro Ookawa, Koji Okazaki, Yasunobu Yanagisawa, Akira Morinaga | 2007-02-13 |
| 7159304 | Method of manufacturing a spin-valve giant magnetoresistive head | Masatoshi Arasawa, Haruko Tanaka, Makoto Morijiri, Koichi Nishioka, Masayasu Kagawa | 2007-01-09 |
| 7154714 | Recording/reproducing separated type magnetic head having differential bias type magnetic domain control structure | Hiroshi Fukui, Shigekazu Otomo, Kouji Kataoka | 2006-12-26 |
| 6903906 | Magnetic head with a lamination stack to control the magnetic domain | Akira Morinaga, Koichi Nishioka, Takayoshi Ohtsu, Norifumi Miyamoto | 2005-06-07 |
| 6717778 | Spin-valve giant magnetoresistive head and method of manufacturing the same | Masatoshi Arasawa, Haruko Tanaka, Makoto Morijiri, Koichi Nishioka, Masayasu Kagawa | 2004-04-06 |
| 6156405 | Magnetic recording medium and method of fabricating the same | Shinji Fukaya, Yoshinori Honda, Akira Kato | 2000-12-05 |
| 5976661 | Magnetic recording medium and method of fabricating the same | Shinji Fukaya, Yoshinori Honda, Akira Kato | 1999-11-02 |
| 5838594 | Method and apparatus for generating finite element meshes, and analyzing method and apparatus | — | 1998-11-17 |
| 5707706 | Magnetic recording disk medium having a magnetic layer with uniform properties over the disk surface | Shinji Fukaya, Yoshinori Honda, Akira Kato | 1998-01-13 |
| 5335700 | Weft picking system for a fluid jet loom including a roller type traction device | Takao Ishido, Akio Shindo, Shuichiro Imamura, Kimimasa Onishi, Hiroshi Tsugane +3 more | 1994-08-09 |
| 5329962 | Weft supply changing and threading apparatus | Kimimasa Ohnishi, Tokayuki Chikuma | 1994-07-19 |