Inventor

Ralph E. Lemke

Inventor
Sunnyvale, CA, US

Overview

7→
Patents
1996–2020
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G06Fprimary
G06FElectric digital data processing60%
H04LTransmission of digital information, e.g. telegraphic communication20%
G01CMeasuring distances, levels or bearings10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1997Patents assigned to BORLAND INT INC (2)· patent assignee history
1996–1997Based in Cupertino, CA, US· patent location history
2000–2001Patents assigned to ORACLE CORP (2)· patent assignee history
2000–2020Based in Sunnyvale, CA, US· patent location history
2015–2019Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (2)· patent assignee history
2015Patents assigned to ISAACSON DERRICK (1)· patent assignee history
2020Patents assigned to APPLE INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BORLAND INT INC21996–1997
MICROSOFT TECHNOLOGY LICENSING LLC22015–2019
ORACLE CORP22000–2001
APPLE INC12020
ISAACSON DERRICK12015
Locations
LocationPatentsSpan
Sunnyvale, California, US52000–2020
Cupertino, California, US21996–1997