Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9202514 | Gated noise-predictive filter calibration | Jianzhong Huang, Shaohua Yang, Haitao Xia, Weijun Tan | 2015-12-01 |
| 8190831 | Methods and apparatus for detecting a syncMark in a hard disk drive | Yuan Xing Lee, Shaohua Yang | 2012-05-29 |
| 7733591 | Data storage device with data recovery process using fixed phase clocking for analog-to-digital conversion | Kraig Bottemiller, Richard Leo Galbraith, Weldon M. Hanson, Travis Roger Oenning, Michael J. Ross | 2010-06-08 |
| 7724464 | Recording disk and disk drive | Masashi Kisaka, Naoyuki Minami, Sadamichi Sone | 2010-05-25 |
| 7697224 | Storing AD sampled data of read/write channel into ECC SRAM | Yasuhiro Takase, Christopher Taylor | 2010-04-13 |
| 7646561 | Method of writing pattern in disk, method of following track on disk, and apparatus for writing pattern in disk | Kohji Takasaki, Kei Yasuna, Tomoyuki Oyama, Satoshi Yamamoto | 2010-01-12 |
| 7532424 | Method of writing pattern on media and data storage device | Kohji Takasaki, Masahiro Shohda, Hiroshi Yanagisawa | 2009-05-12 |
| 7525747 | Data storage device, data storage control circuit, and control method for magnetic disk drive | Naoyuki Minami, Hiroshi Kawanobe, Hidenobu Hanami | 2009-04-28 |
| 7489463 | Method of writing patterns using head with correct phases, and data storage device | Minoru Hashimoto, Kenji Okada, Satoshi Yamamoto | 2009-02-10 |
| 7486467 | Magnetic disk drive and method for registering defective sector using timing control of pattern writing | Makoto Takase, Kohji Takasaki, Hiroshi Yanagisawa | 2009-02-03 |
| 7457065 | Systems and methods for hard disk drive optimization and manufacturing | Kenji Ogasawara, Hiroshi Yanagisawa, Koichi Sato, Keishi Takahashi | 2008-11-25 |
| 7446967 | Method of measuring head characteristics of a data storage device, and data storage device | Minoru Hashimoto, Kenji Okada, Chikako Sasaki, Satoshi Yamamoto | 2008-11-04 |
| 7342735 | Method of writing patterns onto a recording disk, and data storage device | Minoru Hashimoto, Kenji Okada, Satoshi Yamamoto | 2008-03-11 |
| 7286316 | Method and data storage device for writing patterns onto recording disk | Yutaka Ozawa, Kohji Takasaki, Hiroshi Yanagisawa, Satoshi Yamamoto | 2007-10-23 |
| 7023638 | Data storage device, data read correction mechanism, and data read control method | Nobuya Matsubara, Kohji Takasaki, Noboru YOSHIDA | 2006-04-04 |
| 7019933 | Servo information write method, servo control method, data storage device, and program | Kaoru Iseri, Takashi Kuroda, Nobuya Matsubara, Kenji Ogasawara, Hiroshi Yanagisawa | 2006-03-28 |
| 6981205 | Data storage apparatus, read data processor, and read data processing method | Yukio Fukushima, Katsuhiko Katoh, Shunsuke Kobayashi, Takashi Kuroda, Yuzo Nakagawa +3 more | 2005-12-27 |
| 6643087 | Disk drive with improved retract circuit and method | Kenji Kuroki, Thomas R. Albrecht, Yuzo Nakagawa, Nobuhisa Koide, Masashi Murai +3 more | 2003-11-04 |
| 6424476 | Method and apparatus for controlling read and write operations in a storage device | Nobuya Matsubara, Yuzo Nakagawa | 2002-07-23 |
| 6236527 | Disk drive with actuator load/unload controller | Hiroshi Uchiike, Kenji Ogasawara, Yoshiro Amano, Masahiro Shimizu, Shusuke Kurihara +5 more | 2001-05-22 |
| 6229663 | Disk drive loading/unloading apparatus and method for controlling the apparatus | Isao Yoneda, Hiroshi Uchiike, Shinji Ueno, Kenji Ogasawara, Yoshihiko Aoki | 2001-05-08 |
| 6151183 | Disk drive device and method for controlling the same | Kenja Ogasawara, Shinji Ueno, Isao Yoneda | 2000-11-21 |
| 6078474 | Ramp for use with a data storage device and a data storage device | Ichiroh Koyanagi, Yuji Kobayashi, Thomas R. Albrecht | 2000-06-20 |
| 5638203 | Liquid crystal electrooptical device | Masaki Hasegawa, Fumiaki Yamada | 1997-06-10 |
| 5266897 | Magnetic field observation with tunneling microscopy | Osaaki Watanuki, Kuniaki Sueoka | 1993-11-30 |