Inventor

Charles P. Sum

Inventor
Cupertino, CA, US

Overview

9→
Patents
2012–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication24%
G01RMeasuring electric variables15%
H02JElectric power networks15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids15%
G06FElectric digital data processing12%
G05BControl or regulating systems in general3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to BEG MIRZA MOHSIN (4)· patent assignee history
2012–2013Patents assigned to ORACLE INT CORP (4)· patent assignee history
2012–2013Patents assigned to SUM CHARLES P (4)· patent assignee history
2012–2021Based in Cupertino, CA, US· patent location history
2017–2021Patents assigned to SILVER SPRING NETWORKS INC (5)· patent assignee history
2018–2021Patents assigned to ITRON NETWORKED SOLUTIONS INC (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SILVER SPRING NETWORKS INC52017–2021
BEG MIRZA MOHSIN42012–2013
ITRON NETWORKED SOLUTIONS INC42018–2021
ORACLE INT CORP42012–2013
SUM CHARLES Pself42012–2013
Locations
LocationPatentsSpan
Cupertino, California, US92012–2021