Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7808739 | Disk drive device and servo control method thereof | Isao Yoneda, Nobuhiko Wasa, Yasuhiro Iihara | 2010-10-05 |
| 7646561 | Method of writing pattern in disk, method of following track on disk, and apparatus for writing pattern in disk | Fuminori Sai, Kei Yasuna, Tomoyuki Oyama, Satoshi Yamamoto | 2010-01-12 |
| 7620740 | Storage devices and method of transferring file between the devices | Makoto Takase, Minoru Hashimoto, Kenji Okada, Hiroshi Oshikawa, Yasuhiro Kotani +2 more | 2009-11-17 |
| 7532424 | Method of writing pattern on media and data storage device | Fuminori Sai, Masahiro Shohda, Hiroshi Yanagisawa | 2009-05-12 |
| 7486467 | Magnetic disk drive and method for registering defective sector using timing control of pattern writing | Fuminori Sai, Makoto Takase, Hiroshi Yanagisawa | 2009-02-03 |
| 7286316 | Method and data storage device for writing patterns onto recording disk | Fuminori Sai, Yutaka Ozawa, Hiroshi Yanagisawa, Satoshi Yamamoto | 2007-10-23 |
| 7023638 | Data storage device, data read correction mechanism, and data read control method | Nobuya Matsubara, Fuminori Sai, Noboru YOSHIDA | 2006-04-04 |