P

Inventor

ZIMMERMAN THOMAS GUTHRIE

US21 patents
⚠️ This page may combine multiple inventors who share the name “ZIMMERMAN THOMAS GUTHRIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

16 patents
US7693757B2Apr 6, 2010

System and method for performing inventory using a mobile inventory robot

IBM469 citations99
US6816129B1Nov 9, 2004

Multiple display device for use with existing personal computer systems

IBM75 citations98
US6819219B1Nov 16, 2004

Method for biometric-based authentication in wireless communication for access control

IBM713 citations97
US6703570B1Mar 9, 2004

Digital pen using ultrasonic tracking

IBM111 citations97
US6686579B2Feb 3, 2004

Digital pen using speckle tracking

IBM98 citations97
US6592039B1Jul 15, 2003

Digital pen using interferometry for relative and absolute pen position

IBM115 citations97
US7085693B2Aug 1, 2006

Manipulation of electronic media using off-line media

IBM61 citations96
US6650320B1Nov 18, 2003

Digital pen using visible image and autocorrelation of substrate pattern

IBM70 citations96
US6115030ASep 5, 2000

Trackpoint device

IBM79 citations96
US6686881B1Feb 3, 2004

Wireless identification and tracking using magnetic fields

IBM75 citations95
US6281888B1Aug 28, 2001

Pen input device using electrostatic coupling

IBM56 citations95
US7681796B2Mar 23, 2010

Mobile device tracking

IBM48 citations94
US6542717B1Apr 1, 2003

System and method for optimizing personal area network (PAN) electrostatic communication

IBM79 citations93
US7058814B1Jun 6, 2006

System and method for providing time-limited access to people, objects and services

IBM21 citations92
US12106505B2Oct 1, 2024

Reflection-based distance perception

IBM0 citations62
US6593912B1Jul 15, 2003

Electro-mechanical transducer for six degrees of freedom input and output

IBM5 citations62

CATO ROBERT THOMAS

2 patents

HUTZLER RICHARD

1 patent

NUANCE COMMUNICATIONS INC

1 patent

ZIMMERMAN THOMAS GUTHRIE

1 patent