| 8802247 |
Perpendicular magnetic recording medium with high medium S/N |
Hiroyuki Matsumoto, Reiko Arai, Yuzuru Hosoe, Katsumi Mabuchi |
2014-08-12 |
| 8388414 |
Apparatus for cleaning magnetic disks and methods for manufacturing magnetic disks |
Naoto Endou, Toshinori Ono, Hiroyuki Matsumoto, Fumihito Takahashi |
2013-03-05 |
| 8221192 |
Magnetic-recording-disk test-head and method of manufacturing a magnetic-recording disk using the magnetic-recording-disk test-head |
Hidekazu Kashiwase, Hiroyuki Suzuki, Takayoshi Ohtsu, Kiyoshi Hashimoto |
2012-07-17 |
| 8018673 |
Disk drive, method for measuring clearance and method for writing servo patterns |
Manabu Saikawa, Atsushi Takeichi, Yuki Hashimoto, Kenji Kuroki |
2011-09-13 |
| 7875372 |
Perpendicular magnetic recording medium and method of manufacturing the same |
Toshinori Ono, Hiroyuki Matsumoto, Hiroshi Kanai |
2011-01-25 |
| 7718282 |
Magnetic recording medium with corrosion resistance and manufacturing method |
Shigehiko Fujimaki, Toshinori Ono |
2010-05-18 |
| 7147943 |
Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same |
Toshinori Ono, Yuuichi Kokaku, Hiroyuki Matsumoto, Hiroshi Tani, Tomonori Kozaki +4 more |
2006-12-12 |
| 7042678 |
Magnetic head slider and magnetic disc unit |
Ryuji Tsuchiyama, Hiroshi Tani, Mikio Tokuyama, Hidekazu Kohira, Masayuki Kurita +2 more |
2006-05-09 |
| 6927942 |
Magnetic head slider and magnetic head slider assembly having a leading slope angle smaller than a trailing slope angle |
Hiroshi Tani |
2005-08-09 |
| 6870704 |
Magnetic disc apparatus and its fabricating method |
Hiroshi Tani, Hiroyuki Matsumoto, Takayuki Nakakawaji |
2005-03-22 |
| 6852432 |
Magnetic recording media and magnetic disk apparatus |
Naoto Endo, Noriyoshi Goda, Yuzuru Hosoe, Akira Kato |
2005-02-08 |
| 6816341 |
Hard disk drive utilizing second lubricant over a first lubricant having a phosophezine group |
Hiroyuki Matsumoto, Hiroshi Tani, Koji Sonoda, Takayuki Nakakawaji, Mina Amo +1 more |
2004-11-09 |
| 6773784 |
Magnetic disk having ultrathin carbon protective film and magnetic disk apparatus |
Kouji Sonoda, Hiroshi Tani, Hiroyuki Matsumoto, Toshinori Ono |
2004-08-10 |
| 6509111 |
Magnetic recording media and magnetic disk apparatus |
Naoto Endo, Noriyoshi Goda, Yuzuru Hosoe, Akira Kato |
2003-01-21 |
| 6395412 |
Magnetic recording media, manufacturing method for thereof and apparatus for using the media |
Yoshinori Honda, Yuuichi Kokaku, Toshinori Ono |
2002-05-28 |
| 5906884 |
Magnetic recording medium |
Yotsuo Yahisa, Yoshibumi Matsuda, Joe Inagaki, Enji Fujita, Takao Yonekawa +3 more |
1999-05-25 |