Inventor
Wilhelm Steffen Hahn
Inventor
Sunnyvale, CA, US
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission29%
H04LTransmission of digital information, e.g. telegraphic communication19%
H03HImpedance networks, e.g. resonant circuits13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
H03FAmplifiers4%
G06FElectric digital data processing3%
H01GCapacitors3%
H01LSemiconductor devices3%
H01QAntennas, i.e. radio aerials3%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner3%
PatentTitleYear
11,128,329Systems and methods for configurable hybrid self-interference cancellation202110,998,052Non-volatile memory device and initialization information reading method thereof202110,862,528Systems and methods for tunable out-of-band interference mitigation202010,804,943Systems and methods for configurable hybrid self-interference cancellation202010,623,047Systems and methods for tunable out-of-band interference mitigation202010,491,313Systems and methods for enhanced-isolation coexisting time-division duplexed transceivers2019D0867092Screwdriver handle2019D0866283Screwdriver handle201910,454,444Integrated delay modules201910,447,228High quality factor time delay filters using multi-layer fringe capacitors201910,425,115Systems and methods for configurable hybrid self-interference cancellation201910,382,085Analog self-interference cancellation systems for CMTS201910,243,598Systems for integrated self-interference cancellation201910,230,422Systems and methods for modified frequency-isolation self-interference cancellation201910,200,076Analog self-interference cancellation systems for CMTS201910,187,030High quality factor time delay filters using multi-layer fringe capacitors201910,050,664Enhanced linearity mixer201810,050,597Time delay filters20189,979,374Integrated delay modules20189,819,325'Time delay filters'20179,774,405'Systems and methods for frequency-isolated self-interference cancellation'20179,634,823'Systems for integrated self-interference cancellation'20179,231,712'Methods and systems for noise and interference cancellation'20168,990,279'Filter shaping using a signal cancellation function'20158,724,731'Methods and systems for noise and interference cancellation'20148,615,207'Power amplifier linearization feedback methods and systems'20138,519,790'Power amplifier linearization using cancellation-based feed forward methods and systems'20138,422,974'Noise cancellation for antenna module'20138,422,412'Duplexer and switch enhancement'20138,380,771'Filter shaping using a signal cancellation function'20138,358,170'Power amplifier linearization using cancellation-based feed forward methods and systems'20138,315,583'Pre-configuration and control of radio frequency noise cancellation'20128,166,084'Calibration of adjustable filters'20127,893,758'Quadrature modulator and calibration method'20117,548,591'Quadrature modulator and calibration method'20096,985,702'Transceiver with frequency multiplier tracked to frequency generator'20066,816,021'Multiple band local oscillator frequency generation circuit'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2019Based in Los Altos, CA, US· patent location history
2011Based in Briarcliff Manor, NY, US· patent location history
2012–2014Patents assigned to HAHN WILHELM STEFFEN (9)· patent assignee history
2012–2016Patents assigned to INTERSIL INC (7)· patent assignee history
2012–2014Patents assigned to CHEN WEI (6)· patent assignee history
2012–2013Patents assigned to QUELLAN INC (3)· patent assignee history
2017–2021Patents assigned to KUMU NETWORKS INC (19)· patent assignee history
2017–2021Based in Sunnyvale, CA, US· patent location history
2019Based in Schonach, DE· patent location history
2021Based in Hwaseong-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KUMU NETWORKS INC | 19 | 2017–2021 |
| HAHN WILHELM STEFFENself | 9 | 2012–2014 |
| INTERSIL INC | 7 | 2012–2016 |
| CHEN WEI | 6 | 2012–2014 |
| QUELLAN INC | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 17 | 2017–2021 |
| Los Altos, California, US | 16 | 2004–2019 |
| Schonach, DE | 2 | 2019 |
| Hwaseong-si, KR | 1 | 2021 |
| Briarcliff Manor, New York, US | 1 | 2011 |