Inventor

Patrick R. Hansen

Inventor

Essex Junction, VT, US

Overview

2000–2004

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

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

G01Rprimary

G01RMeasuring electric variables27%

H04LTransmission of digital information, e.g. telegraphic communication27%

H03KPulse technique20%

G11CStatic stores13%

H03MCoding7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

PatentTitleYear

6,731,179'System and method for measuring circuit performance degradation due to PFET negative bias temperature instability (NBTI)'2004 6,714,113'Inductor for integrated circuits'2004 6,617,986'Area efficient, sequential gray code to thermometer code decoder'2003 6,542,418'Redundant memory array having dual-use repair elements'2003 6,509,778'BIST circuit for variable impedance system'2003 6,501,293'Method and apparatus for programmable active termination of input/output devices'2002 6,441,646'Structure and method of alternating precharge in dynamic SOI circuits'2002 6,278,339'Termination resistance independent system for impedance matching in high speed input-output chip interfacing'2001 6,269,461'Testing method for dynamic logic keeper device'2001 6,249,193'Termination impedance independent system for impedance matching in high speed input-output chip interfacing'2001 6,181,155'Method and apparatus for testing dynamic logic using an improved reset pulse'2001 6,163,862'On-chip test circuit for evaluating an on-chip signal using an external test signal'2000 6,140,885'On-chip automatic system for impedance matching in very high speed input-output chip interfacing'2000 6,133,749'Variable impedance output driver circuit using analog biases to match driver output impedance to load input impedance'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2004Patents assigned to IBM (14)· patent assignee history

2000–2004Based in Essex Junction, VT, US· patent location history

2002–2004Based in Mansfield, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	14	2000–2004

Locations

Location	Patents	Span
Essex Junction, VT, US	12	2000–2004
Mansfield, Massachusetts, US	2	2002–2004