Inventor

Stephen W. Murphrey

Inventor
Apex, NC, US

Overview

6→
Patents
1994–2015
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G06Fprimary
G06FElectric digital data processing63%
H04LTransmission of digital information, e.g. telegraphic communication25%
G11BInformation storage based on relative movement between record carrier and transducer13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2004Patents assigned to IBM (4)· patent assignee history
1994–1995Based in Highland Village, TX, US· patent location history
2004–2015Based in Apex, NC, US· patent location history
2008Patents assigned to LENOVO SINGAPORE PTE LTD (1)· patent assignee history
2015Patents assigned to LENOVO ENTPR SOLUTIONS SINGAPORE PTE LTD (1)· patent assignee history
2015Patents assigned to MURPHREY STEPHEN W (1)· patent assignee history
2015Patents assigned to RIDGILL STEPHEN P (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM41994–2004
LENOVO ENTPR SOLUTIONS SINGAPORE PTE LTD12015
LENOVO SINGAPORE PTE LTD12008
MURPHREY STEPHEN Wself12015
RIDGILL STEPHEN P12015
Locations
LocationPatentsSpan
Apex, NC, US42004–2015
Highland Village, Texas, US21994–1995