Inventor

Shannon M. Ma

Inventor
San Francisco, CA, US

Overview

33→
Patents
2014–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 33 as inventor

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

H04Wprimary
H04WWireless communication networks26%
G01SRadio direction-finding17%
H04MTelephonic communication12%
G06FElectric digital data processing11%
G01CMeasuring distances, levels or bearings8%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use8%
G04GElectronic time-pieces2%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%
H04BTransmission2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
11,121,378Mixed conductor, electrochemical device including the same, and method of preparing mixed conductor202111,056,738Metal-air battery202110,868,907Category-based fence202010,742,797Method and apparatus for automatically setting alarms and notifications202010,681,203Method and apparatus for automatically setting alarms and notifications202010,585,894Systems and methods for preloading content202010,462,284Category-based fence201910,447,844Method and apparatus for automatically setting alarms and notifications201910,218,835Category-based fence201910,080,103Range-free proximity determination20189,998,877Pathway matching20189,894,196'Category-based fence'20189,769,107'Lifestyle-based social groups'20179,749,797'Multi-level virtual fence'20179,560,489'Reducing location search space'20179,532,184'Survey techniques for generating location fingerprint data'20169,525,771'Category-based fence'20169,460,388'Range class estimation for radio frequency devices'20169,445,235'Multi-level virtual fence'20169,307,358'Non-intrusive region notification'20169,226,111'Pathway matching'20159,198,003'Survey techniques for generating location fingerprint data'20159,191,832'Category-based fence'20159,179,265'Reducing location search space'20159,113,300'Proximity fence'20159,071,937'Tiered delivery of location data'20159,066,207'Managing states of location determination'20159,002,373'Monitoring a location fingerprint database'20158,996,302'Reduction of the impact of hard limit constraints in state space models'20158,977,298'Location fingerprinting'20158,942,725'Location determination using a state space estimator'20158,934,921'Location determination using fingerprint data'20158,849,308'Tiling of map data'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2020Patents assigned to APPLE INC (29)· patent assignee history
2014–2020Based in San Francisco, CA, US· patent location history
2020Patents assigned to FACEBOOK INC (1)· patent assignee history
2021Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history
2021Based in Suwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
APPLE INC292014–2020
SAMSUNG ELECTRONICS CO LTD22021
FACEBOOK INC12020
Locations
LocationPatentsSpan
San Francisco, California, US312014–2020
Suwon-si, KR22021