Inventor
Stefon Shelton
Inventor
Oakland, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B06Bprimary
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general21%
H10NElectric solid-state devices not otherwise provided for18%
H01LSemiconductor devices15%
G10KSound-producing devices12%
B81BMicrostructural devices or systems, e.g. micromechanical devices6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G01SRadio direction-finding6%
G06FElectric digital data processing6%
H03HImpedance networks, e.g. resonant circuits6%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%
PatentTitleYear
11,005,025Piezoelectric micromachined ultrasonic transducers with low stress sensitivity and methods of fabrication202110,751,755Piezoelectric micromachined ultrasonic transducers having differential transmit and receive circuitry202010,573,289Package waveguide for acoustic sensor with electronic delay compensation202010,562,069Piezoelectric micromachined ultrasonic transducers using two bonded substrates202010,566,949Micromachined ultrasound transducer using multiple piezoelectric materials202010,522,737Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)201910,324,181Miniature micromachined ultrasonic rangefinder201910,293,377Micromachined ultrasonic transducers with a slotted membrane structure20199,710,111'In-air ultrasonic rangefinding and angle estimation'20179,323,397'In-air ultrasonic rangefinding and angle estimation'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2019Patents assigned to UNIV CALIFORNIA (3)· patent assignee history
2016–2021Based in Oakland, CA, US· patent location history
2019–2021Patents assigned to CHIRP MICROSYSTEMS INC (6)· patent assignee history
2019–2020Patents assigned to GUEDES ANDRE (2)· patent assignee history
2019–2020Patents assigned to KIANG MENG HSIUNG (2)· patent assignee history
2019–2020Patents assigned to PRZYBYLA RICHARD J (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHIRP MICROSYSTEMS INC | 6 | 2019–2021 |
| UNIV CALIFORNIA | 3 | 2016–2019 |
| GUEDES ANDRE | 2 | 2019–2020 |
| KIANG MENG HSIUNG | 2 | 2019–2020 |
| PRZYBYLA RICHARD J | 2 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oakland, California, US | 10 | 2016–2021 |