Inventor

Roy H. Campbell

Inventor
Champaign, IL, US

Overview

3→
Patents
2004–2015
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.

H04Nprimary
H04NPictorial communication, e.g. television33%
A63FCard, board, or roulette games17%
G06FElectric digital data processing17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2015Patents assigned to UNIV ILLINOIS (3)· patent assignee history
2004–2015Based in Champaign, IL, US· patent location history
2014–2015Patents assigned to CAMPBELL ROY H (2)· patent assignee history
2014Patents assigned to DEUTSCHE TELEKOM AG (1)· patent assignee history
2014Patents assigned to HSU CHENG-HSIN (1)· patent assignee history
2015Patents assigned to KREIN PHILIP T (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV ILLINOIS32004–2015
CAMPBELL ROY Hself22014–2015
DEUTSCHE TELEKOM AG12014
HSU CHENG-HSIN12014
KREIN PHILIP T12015
Locations
LocationPatentsSpan
Champaign, Illinois, US32004–2015