Inventor
Glen Garfunkel
Inventor
San Jose, CA, US
Overview
Patents· 22 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 transducer66%
Y10TTechnical subjects covered by former us classification25%
G01RMeasuring electric variables6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
10,593,357Hard magnet stabilized shield for double (2DMR) or triple (3DMR) dimension magnetic reader structures202010,115,418Hard magnet stabilized shield for double (2DMR) or triple (3DMR) dimension magnetic reader structures20189,601,138'Bias layer and shield biasing design'20179,437,225'Reader designs of shield to shield spacing improvement'20169,361,923'PP3 shape designs for shield domain control to improve either skip track erasure (STE) or write performance for perpendicular magnetic recording (PMR)'20169,230,577'Thin seeded antiferromagnetic coupled side shield for sensor biasing applications'20168,881,378'Method to improve performance of a magneto-resistive (MR) sensor'20148,824,106'Two sensor reader for hard disk drive (HDD)'20148,817,420'Write head having recessed magnetic material in gap region'20148,817,425'Dual-piece heat sink layer for robust reader in magnetic recording head'20148,767,349'Write head having recessed magnetic material in gap region'20148,567,045'Process to manufacture a magnetic write head'20138,542,464'Write head having recessed magnetic material in gap region'20138,514,524'Stabilized shields for magnetic recording heads'20138,339,751'Shield design for magnetic recording head'20128,243,399'Shield design for magnetic recording head'20127,891,081'Process of manufacturing a side pinned magnetic recording sensor'20117,173,795'Bias point adjustment of a read head by means of an external magnet'20077,154,708'Thermal protrusion reduction in magnet heads by utilizing a heat-spreading pad'20066,928,721'Method of manufacturing a magnetic read/write head and slider assembly'20056,914,750'Thermal protrusion reduction in magnet heads by utilizing heat sink layers'20055,774,291'Voltage measurement circuit for a magnetoresistive head installed in a disk enclosure'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Based in Palo Alto, CA, US· patent location history
2005–2016Patents assigned to HEADWAY TECHNOLOGIES INC (17)· patent assignee history
2005–2020Based in San Jose, CA, US· patent location history
2012–2014Patents assigned to GARFUNKEL GLEN (8)· patent assignee history
2012–2014Patents assigned to DOVEK MORIS (7)· patent assignee history
2013–2014Patents assigned to WANG PO KANG (4)· patent assignee history
2016–2020Patents assigned to HEADWAY TECH INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEADWAY TECHNOLOGIES INC | 17 | 2005–2016 |
| GARFUNKEL GLENself | 8 | 2012–2014 |
| DOVEK MORIS | 7 | 2012–2014 |
| HEADWAY TECH INC | 4 | 2016–2020 |
| WANG PO KANG | 4 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 21 | 2005–2020 |
| Palo Alto, California, US | 1 | 1998 |