Inventor
David S. Yip
Inventor
La Mirada, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Hprimary
H03HImpedance networks, e.g. resonant circuits57%
B81BMicrostructural devices or systems, e.g. micromechanical devices14%
G02BOptical elements, systems or apparatus14%
H01HElectric switches14%
PatentTitleYear
7,821,360'Multi-channel surface acoustic wave filter device with voltage controlled tunable frequency response'20106,882,256'Anchorless electrostatically activated micro electromechanical system switch'20056,842,091'Weighted SAW reflector grating using dithered acoustic reflectors'20056,664,871'Cascaded surface acoustic wave filter system for cancelling time spurious responses'20036,480,076'Recessed reflector single phase unidirectional transducer'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to TRW INC (1)· patent assignee history
2002–2010Based in La Mirada, CA, US· patent location history
2003–2005Patents assigned to NORTHROP GRUMMAN CORP (3)· patent assignee history
2010Patents assigned to NORTHROP GRUMMAN SYSTEMS CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORTHROP GRUMMAN CORP | 3 | 2003–2005 |
| NORTHROP GRUMMAN SYSTEMS CORP | 1 | 2010 |
| TRW INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| La Mirada, California, US | 5 | 2002–2010 |