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Inventor

Lei Ma

Inventor
San Jose, CA, US

Overview

2→
Patents
2021
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

F03Dprimary
F03DWind motors13%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g13%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock13%
G04CElectromechanical clocks or watches13%
G04GElectronic time-pieces13%
G05BControl or regulating systems in general13%
G06FElectric digital data processing13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
10,936,071Wearable electronic device with haptic rotatable input202110,927,811Control method, master controller, system, and central controller for wind turbines2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to APPLE INC (1)· patent assignee history
2021Patents assigned to BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD (1)· patent assignee history
2021Based in San Jose, CA, US· patent location history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLE INC12021
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD12021
Locations
LocationPatentsSpan
San Jose, California, US12021
Beijing, CN12021