Inventor
CHANG DAVID Y
US25 patents
⚠️ This page may combine multiple inventors who share the name “CHANG DAVID Y”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
13 patentsUS5636376AJun 3, 1997
System and method for selectively and contemporaneously monitoring processes in a multiprocessing server
IBM70 citations96
US5542040AJul 30, 1996
Display of dynamic data as a notebook
IBM100 citations96
US5535403AJul 9, 1996
Method and apparatus for displaying clusters on a computer network
IBM87 citations96
US5504886AApr 2, 1996
System and method for applying user supplied relation definitions to application files for a relational database
IBM46 citations92
US11637691B2Apr 25, 2023
Management of a size of a ledger
IBM17 citations85
US5602563AFeb 11, 1997
Float to surface display
IBM14 citations74
US11138188B2Oct 5, 2021
Performance optimization
IBM3 citations73
US11032083B2Jun 8, 2021
Atomic transactional processing
IBM2 citations73
US10592608B2Mar 17, 2020
Topic based conversation retrieval
IBM3 citations73
US10929616B2Feb 23, 2021
Topic based conversation retrieval
IBM0 citations62
US10382563B2Aug 13, 2019
Establishing cross-vendor secure connectivity in a shared computing environment
IBM1 citations62
US10650134B2May 12, 2020
Discreet user identification and multiple device modes of operations
IBM1 citations53
US10834122B2Nov 10, 2020
Prevention of majority attacks
IBM0 citations52
CATERPILLAR INC
9 patentsUS11066977B1Jul 20, 2021
Ignitor for natural gas engine
CATERPILLAR INC5 citations84
US7178491B2Feb 20, 2007
Control system and method for engine valve actuator
CATERPILLAR INC15 citations84
US7946276B2May 24, 2011
Protection device for a solenoid operated valve assembly
CATERPILLAR INC10 citations81
US6957634B2Oct 25, 2005
Engine valve actuator
CATERPILLAR INC7 citations73
US6769385B1Aug 3, 2004
System for controlling engine valve seating velocity
CATERPILLAR INC10 citations73
US6708656B1Mar 23, 2004
Engine valve actuator
CATERPILLAR INC11 citations73
US6360717B1Mar 26, 2002
Fuel injection system and a method for operating
CATERPILLAR INC12 citations73
US12359605B1Jul 15, 2025
Systems and methods for in-cylinder engine pressure sensor cooling
CATERPILLAR INC0 citations62
US11326507B2May 10, 2022
Ignitor for natural gas engine
CATERPILLAR INC0 citations62