Inventor
Zi-Wen Dong
Inventor
Union City, CA, US
Overview
Patents· 9 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 transducer33%
B82YSpecific uses or applications of nanostructures22%
G02BOptical elements, systems or apparatus17%
G01RMeasuring electric variables6%
H01FMagnets6%
H04JMultiplex communication6%
H10NElectric solid-state devices not otherwise provided for6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
8,285,144'Optical device for rearranging wavelength channels'20126,989,962'Inductive write head having high magnetic moment poles and low magnetic moment thin layer in the back gap, and methods for making'20066,947,653'Waveguide stress engineering and compatible passivation in planar lightwave circuits'20056,870,712'Inductive writer with flat top pole and pedestal defined zero throat'20056,762,910'Data storage and retrieval apparatus with thin film read head having inset extra gap insulation layer and method of fabrication'20046,721,138'Inductive transducer with stitched pole tip and pedestal defining zero throat height'20046,697,553'Compact, low insertion loss, high yield arrayed waveguide grating'20046,515,573'Method and system for providing edge-junction TMR utilizing a hard magnet as a pinned layer'20036,496,334'Data storage and retrieval apparatus with thin film read head having planarized extra gap and shield layers and method of fabrication thereof'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2006Based in Union City, CA, US· patent location history
2003–2004Based in Fremont, CA, US· patent location history
2004–2006Patents assigned to WESTERN DIGITAL FREMONT INC (4)· patent assignee history
2004–2012Patents assigned to JDS UNIPHASE CORP (3)· patent assignee history
2012Patents assigned to BHARDWAJ JYOTI K (1)· patent assignee history
2012Patents assigned to DI MOLA DOMENICO (1)· patent assignee history
2012Patents assigned to DONG ZI-WEN (1)· patent assignee history
2012Based in San Ramon, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTERN DIGITAL FREMONT INC | 4 | 2004–2006 |
| JDS UNIPHASE CORP | 3 | 2004–2012 |
| BHARDWAJ JYOTI K | 1 | 2012 |
| DI MOLA DOMENICO | 1 | 2012 |
| DONG ZI-WENself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Union City, California, US | 6 | 2002–2006 |
| Fremont, California, US | 2 | 2003–2004 |
| San Ramon, California, US | 1 | 2012 |