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Inventor

Charles Tsao

Inventor
Lake Mary, FL, US

Overview

3→
Patents
1999–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Wprimary
H04WWireless communication networks33%
B66CCranes17%
G01BMeasuring length, thickness or similar linear dimensions17%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure17%
H04MTelephonic communication17%
PatentTitleYear
10,457,526Method and apparatus for detecting overload distortion20195,995,831'Cellular-telephone central call-processing system utilizing object-oriented software in adjunct personal computer'19995,966,649'Cellular-telephone central call-processing system utilizing object-oriented software in adjunct personal computer for generating billing records'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to EXCEL SWITCHING CORP (1)· patent assignee history
1999Patents assigned to PHOENIX WIRELESS GROUP (1)· patent assignee history
1999Based in Lake Mary, FL, US· patent location history
2019Patents assigned to TIGER LIFTING UK LTD (1)· patent assignee history
2019Based in Alnwick, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXCEL SWITCHING CORP11999
PHOENIX WIRELESS GROUP11999
TIGER LIFTING UK LTD12019
Locations
LocationPatentsSpan
Lake Mary, Florida, US21999
Alnwick, GB12019