Inventor
Toshifumi Hatagami
Inventor
Machida, JP
Overview
Patents· 7 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 transducer75%
G01RMeasuring electric variables13%
H05KPrinted circuits13%
PatentTitleYear
7,511,507'Integrated circuit and circuit board'20097,230,787'Method and apparatus for head control, and disk-drive apparatus'20076,163,443'Actuator having MR element protecting means'20005,268,884'Seek control method and apparatus for disk apparatus'19935,216,654'Synchronizing signal switching system for synchronizing external storage devices'19934,978,902'Synchronous rotation control system of magnetically recording disk'19904,967,293'Multi-positioner magnetic disk storage apparatus having means for reducing mechanical vibration interference between positioners'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2009Patents assigned to FUJITSU LTD (7)· patent assignee history
1990–1993Based in Machida, JP· patent location history
2000–2009Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 7 | 1990–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Machida, JP | 4 | 1990–1993 |
| Kawasaki, JP | 3 | 2000–2009 |