Inventor

Joel D. Ziegelbein

Inventor

Austin, TX, US

Overview

2005–2010

Patent span

Electricity

Primary field (CPC H)

Patents· 12 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 communication38%

G06FElectric digital data processing19%

H03KPulse technique19%

H03FAmplifiers13%

H04BTransmission6%

H05KPrinted circuits6%

PatentTitleYear

7,835,453'Differential transmitter circuit'2010 7,521,968'Slew rate control for driver circuit'2009 7,512,183'Differential transmitter circuit'2009 7,496,906'Evaluation of a code segment'2009 7,477,068'System for reducing cross-talk induced source synchronous bus clock jitter'2009 7,382,151'Method for reducing cross-talk induced source synchronous bus clock jitter'2008 7,272,809'Method, apparatus and computer program product for implementing enhanced high frequency return current paths utilizing decoupling capacitors in a package design'2007 7,242,339'Programmable reference voltage generator'2007 7,239,213'Reduced cross-talk signaling circuit and method'2007 7,212,035'Logic line driver system for providing an optimal driver characteristic'2007 6,993,739'Method, structure, and computer program product for implementing high frequency return current paths within electronic packages'2006 6,891,406'Method and apparatus for supplying a reference voltage for chip-to-chip communication'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2010Patents assigned to IBM (12)· patent assignee history

2005–2010Based in Austin, TX, US· patent location history

2007–2009Based in Iowa City, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	12	2005–2010

Locations

Location	Patents	Span
Austin, Texas, US	8	2005–2010
Iowa City, IA, US	4	2007–2009