Inventor
Joseph D. Drake
Inventor
Palo Alto, CA, US
Overview
Patents· 18 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 transducer29%
G02BOptical elements, systems or apparatus27%
H02NElectric machines not otherwise provided for22%
H04BTransmission7%
B81BMicrostructural devices or systems, e.g. micromechanical devices5%
B82YSpecific uses or applications of nanostructures5%
G01DMeasuring not specially adapted for a specific variable2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
6,836,584'Optical microswitch'20046,798,729'Optical head using micro-machined elements'20046,787,969'Damped micromechanical device'20046,594,057'Micromachined device with stretchable restoring force member'20036,392,775'Optical reflector for micro-machined mirrors'20026,360,035'Optical head using micro-machined elements'20026,226,233'Magneto-optical system utilizing MSR media'20016,200,882'Method for processing a plurality of micro-machined mirror assemblies'20016,134,207'Optical data storage system having optical microswitch'20006,128,122'Micromachined mirror with stretchable restoring force member'20006,108,088'Apparatus and method for testing steerable mirrors mounted on optical heads'20006,076,256'Method for manufacturing magneto-optical data storage system'20006,061,323'Data storage system having an improved surface micro-machined mirror'20006,052,197'Apparatus for wafer level testing of a micromachined device'20006,046,966'Magneto-optical data storage system'20005,999,303'Micro-machined mirror using tethered elements'19995,998,906'Electrostatic microactuator and method for use thereof'19995,974,019'Optical system for two-dimensional positioning of light beams'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2001Patents assigned to SEAGATE TECHNOLOGY (12)· patent assignee history
1999–2004Based in Palo Alto, CA, US· patent location history
1999–2004Based in Mountain View, CA, US· patent location history
2002–2004Patents assigned to SEAGATE TECHNOLOGY LLC (4)· patent assignee history
2004Patents assigned to IOLON INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEAGATE TECHNOLOGY | 12 | 1999–2001 |
| SEAGATE TECHNOLOGY LLC | 4 | 2002–2004 |
| IOLON INC | 2 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 11 | 1999–2004 |
| Mountain View, California, US | 7 | 1999–2004 |