Inventor

ALEXANDER K. ZETTL

Inventor
US

Overview

6→
Patents
2022–2024
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers20%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves10%
G01SRadio direction-finding10%
G06FElectric digital data processing10%
G08BSignalling systems, e.g. personal calling systems10%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general5%
B82YSpecific uses or applications of nanostructures5%
G10KSound-producing devices5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to UNIV CALIFORNIA (6)· patent assignee history
2022–2024Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CALIFORNIA62022–2024
Locations
LocationPatentsSpan
US62022–2024