Inventor
Tatsuro Sasamoto
Inventor
Kawasaki, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer94%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
PatentTitleYear
7,589,929'Servo pattern writing apparatus, servo pattern writing method, servo pattern reading apparatus, and servo pattern reading method'20096,909,574'Disk device conducting a disturbance compensation based on a time-interval measurement in reading servo sectors recorded on a disk'20056,721,122'Disk drive unit and control method for same'20046,690,549'Storage device'20046,522,488'Servo information writing method and storage device'20036,295,507'Calibration method for acceleration sensor in storage device and storage device'20016,239,940'Disk device and disk device calibrating method'20016,064,541'Servo pattern writing method for magnetic disk drives, and magnetic disk drive adopting the method'20006,034,830'Information recording medium having divided cylinder address storage'20005,903,411'Method for reliably positioning a head in a disk drive to a guard band area'19995,796,546'Disk apparatus for controlling a seek operation of a read/write head to a target location of a recording disk'19985,784,220'Magnetic disk apparatus, recording and accessing method for performing density recording'19985,636,075'Magnetic disk apparatus, recording medium, and accessing method for performing constant density recording'19975,623,379'Method of controlling a start-up of a motor used for a disk apparatus'19975,592,347'Apparatus for measuring offset of head from servo pattern of data surface and disk medium having recorded servo pattern for measurement of offset'19975,541,785'Magnetic disk apparatus with improved positioning control of magnetic head'19965,109,502'Head exchange system for disc drive system controlling busy signals in accordance with head offset'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2009Patents assigned to FUJITSU LTD (17)· patent assignee history
1992Based in Tama, JP· patent location history
1996–2009Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 17 | 1992–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 16 | 1996–2009 |
| Tama, JP | 1 | 1992 |