Inventor
Robert B. Stokes
Inventor
Rancho Palos Verdes, CA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Hprimary
H03HImpedance networks, e.g. resonant circuits52%
H01HElectric switches13%
H01PWaveguides10%
G01RMeasuring electric variables6%
H01FMagnets3%
H01GCapacitors3%
H04BTransmission3%
H04JMultiplex communication3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,601,391Film bulk acoustic resonator with spurious resonance suppression2020RE045733'MEMS millimeter wave switches'2015RE045704'MEMS millimeter wave switches'20157,687,971'Electric field control of surface acoustic wave velocity'20107,656,253'Surface acoustic wave passband control'20106,873,223'MEMS millimeter wave switches'20056,856,499'MEMS variable inductor and capacitor'20056,760,454'Passive voice-activated microphone and transceiver system'20046,291,924'Adjustable saw device'20016,218,911'Planar airbridge RF terminal MEMS switch'20016,051,987'Apparatus and method for detection of residual magnetic fields in dynamoelectric machines'20005,552,655'Low frequency mechanical resonator'19965,446,306'Thin film voltage-tuned semiconductor bulk acoustic resonator (SBAR)'19955,382,930'Monolithic multipole filters made of thin film stacked crystal filters'19955,283,458'Temperature stable semiconductor bulk acoustic resonator'19945,179,309'Surface acoustic wave chirp filter'19934,947,073'Saw channelized filters'19904,926,146'Parallel-to-serial signal processor using surface acoustic waves'19904,716,390'Magnetostatic wave channelizer'19874,707,631'Isotropic acoustic wave substrate'19874,672,641'Surface acoustic wave device for data rate reduction'19874,513,261'Low-loss acoustic wave filter device'19854,499,393'Surface acoustic wave spectrum analyzer'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2004Patents assigned to TRW INC (15)· patent assignee history
1985–1995Based in Torrance, CA, US· patent location history
1995–2020Based in Rancho Palos Verdes, CA, US· patent location history
2000Based in Hughes Springs, TX, US· patent location history
2005–2010Patents assigned to NORTHROP GRUMMAN CORP (2)· patent assignee history
2015Patents assigned to KONG ALVIN M (2)· patent assignee history
2015Patents assigned to NORTHROP GRUMMAN SYSTEMS CORP (2)· patent assignee history
2015Patents assigned to STOKES ROBERT B (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRW INC | 15 | 1985–2004 |
| KONG ALVIN M | 2 | 2015 |
| NORTHROP GRUMMAN CORP | 2 | 2005–2010 |
| NORTHROP GRUMMAN SYSTEMS CORP | 2 | 2015 |
| STOKES ROBERT Bself | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rancho Palos Verdes, California, US | 12 | 1995–2020 |
| Torrance, California, US | 10 | 1985–1995 |
| Hughes Springs, Texas, US | 1 | 2000 |