Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9202504 | Producing a magnetic disk device | Satoshi Hashimoto, Kensuke Ishiwata | 2015-12-01 |
| 8976484 | Magnetic recording with tilted media in the cross track direction | Takayuki Ichihara, Masafumi Mochizuki, Hiroyasu Tanabe | 2015-03-10 |
| 8861116 | Track pitch variation measurement method using spiral DC pattern writing | Mao Nishiyama, Masafumi Mochizuki, Shuji Nishida, Kazunari Usui | 2014-10-14 |
| 8797672 | Dynamic track pitch control for shingled magnetic recording (SMR) | Hiroyasu Tanabe, Hideki Zaitsu, Naoto Ito | 2014-08-05 |
| 8482877 | Magnetic recording media, method for servowriting on same, and hard disk drive | Hiroshi Ikekame | 2013-07-09 |
| 7852595 | Magnetic disk unit and manufacturing method thereof | Hiroki Kitahori, Takayuki Honda, Yasuo Kojima | 2010-12-14 |
| 7532426 | Method for erase process on recording surface of disk and disk drive apparatus | Takahiro Nakagawa, Toshiaki Satoh, Hiroshi Fukuyama | 2009-05-12 |
| 7184236 | Magnetic hard disk drive | Takehiko Hamaguchi, Hisashi Takano, Takayuki Ichihara | 2007-02-27 |
| 7159303 | Method for manufacturing magnetic head device | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2007-01-09 |
| 7116508 | Apparatus for locking a moveable part of a magnetic disk apparatus | Takashi Yamaguchi, Koki Uefune, Motoyasu Tsunoda, Atsushi Saito | 2006-10-03 |
| 7054120 | Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2006-05-30 |
| 6987635 | Magnetic disk drive which accesses host RAM | Kouki Uefune, Naoki Satoh, Terumi Takashi, Atsushi Saito | 2006-01-17 |
| 6961201 | Magnetic disk apparatus | Masaki Odai, Ryuji Tsuchiyama | 2005-11-01 |
| 6862153 | Apparatus for latching a magnetic disk | Takashi Yamaguchi, Koki Uefune, Motoyasu Tsunoda, Atsushi Saito | 2005-03-01 |
| 6822818 | Magnetic hard disk drive | Takehiko Hamaguchi, Hisashi Takano, Takayuki Ichihara | 2004-11-23 |
| 6687072 | Disk apparatus and information processing system discriminative plural external electronic appliances | Atsushi Okuyama, Takashi Yamaguchi, Motoyasu Tsunoda | 2004-02-03 |
| 6687099 | Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force difference | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2004-02-03 |
| 6594107 | Magnetic disc apparatus having wiring on the outer bottom | Takako Hayakawa, Kouki Uefune, Takashi Yamaguchi, Shozo Saegusa | 2003-07-15 |
| 6590729 | Magnetic disk drive with servo signal decoder using amplitude detection and phase detection system | Yosuke Seo | 2003-07-08 |
| 6483660 | Disk drive unit having multiple disks arranged in a plane | Toshihisa Tsukada, Yoshihiro Shiroishi | 2002-11-19 |
| 6483677 | Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2002-11-19 |
| 6278593 | Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effect | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2001-08-21 |
| 6130797 | Magnetic recorder and magnetooptical recorder | Yoshihiro Shiroishi, Reijiro Tsuchiya, Takehiko Hamaguchi, Masuo Umemoto, Mikio Suzuki +6 more | 2000-10-10 |
| 6011674 | Magnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositions | Ryoichi Nakatani, Masahiro Kitada, Naoki Koyama, Isamu Yuito, Hisashi Takano +14 more | 2000-01-04 |
| 5786952 | Magnetic digital storage method and system wherein magnetic transition points in adjacent recorded tracks are out of phase with each other | Masuo Umemoto, Yoshihiro Shiroishi, Reijiro Tsuchiya, Takehiko Hamaguchi, Takashi Kawabe +2 more | 1998-07-28 |