Inventor
Yukie Hiratsuka
Inventor
Kanagawa, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing50%
G11BInformation storage based on relative movement between record carrier and transducer40%
G11CStatic stores10%
PatentTitleYear
8,117,489'Disk drive and method for controlling the disk drive'20127,624,228'Disk drive and method of controlling cache memory therein'20097,539,820'Disk device and control method for cache'20097,535,666'Disk-type storage medium driving apparatus and disk-type storage medium rotation speed control method'20097,487,290'Disk drive having real time performance improvement'20097,461,219'Disk drive and method for performing realtime processing and non-realtime processing simultaneously'20087,457,073'Disk drive that controls heater current according to rotational speed'20087,149,930'Recording/reproducing apparatus'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2009Patents assigned to HITACHI GLOBAL STORAGE TECH (6)· patent assignee history
2006Based in Kawasaki, JP· patent location history
2008–2009Based in Kanagawa, JP· patent location history
2008–2012Based in Tokyo, JP· patent location history
2009Patents assigned to HITACHI LTD (1)· patent assignee history
2009Based in Fujisawa, JP· patent location history
2012Patents assigned to HIRATSUKA YUKIE (1)· patent assignee history
2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (1)· patent assignee history
2012Patents assigned to SAGA HIDEKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 6 | 2006–2009 |
| HIRATSUKA YUKIEself | 1 | 2012 |
| HITACHI GLOBAL STORAGE TECH NL | 1 | 2012 |
| HITACHI LTD | 1 | 2009 |
| SAGA HIDEKI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 4 | 2008–2009 |
| Tokyo, JP | 2 | 2008–2012 |
| Fujisawa, JP | 1 | 2009 |
| Kawasaki, JP | 1 | 2006 |