Inventor
Hal J. Rosen
Inventor
Los Gatos, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores23%
C23CCoating metallic material15%
G11BInformation storage based on relative movement between record carrier and transducer15%
H01FMagnets15%
H01JElectric discharge tubes or discharge lamps15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
PatentTitleYear
8,018,765'Three-dimensional magnetic memory'20117,606,065'Three-dimensional magnetic memory having bits transferrable between storage layers'20097,388,776'Three-dimensional magnetic memory'20086,979,388'Magnetic thin film disks with a nonuniform composition'20056,709,774'Magnetic thin film disks with a nonuniform composition'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004Patents assigned to IBM (1)· patent assignee history
2004–2011Based in Los Gatos, CA, US· patent location history
2005–2009Patents assigned to HITACHI GLOBAL STORAGE TECH (3)· patent assignee history
2011Patents assigned to HITACHI GLOBAL STORAGE TECH NL (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 3 | 2005–2009 |
| HITACHI GLOBAL STORAGE TECH NL | 1 | 2011 |
| IBM | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Gatos, California, US | 5 | 2004–2011 |