P

Inventor

CHANG JOHN

US56 patents
⚠️ This page may combine multiple inventors who share the name “CHANG JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

11 patents
US5372560ADec 13, 1994

Multi-functional sporting equipment

113 citations98
US5558190ASep 24, 1996

Damping device adapted for use in exercise apparatus

71 citations96
US5507712AApr 16, 1996

Multipurpose exercising apparatus

76 citations96
US6298867B1Oct 9, 2001

Hub and rib assembly for umbrella

51 citations93
US5694958ADec 9, 1997

Umbrella rib and tip arrangement

27 citations93
US5536072AJul 16, 1996

Elevation-adjustable stand

26 citations93
US5488755AFeb 6, 1996

Multi-functional handgrip

21 citations93
US5456391AOct 10, 1995

Suit hanger with adjustable shoulders

34 citations93
US5411454AMay 2, 1995

Pedal for sporting equipment

40 citations93
US5519918AMay 28, 1996

Multifunctional spring-grip dumb-bell

15 citations74
US5372562ADec 13, 1994

Bicycle simulator with collapsible configuration

19 citations74

EXPLORAMED NC7 INC

10 patents
USD832995SNov 6, 2018

Breast pump

EXPLORAMED NC7 INC48 citations98
USD809646SFeb 6, 2018

Breast pump

EXPLORAMED NC7 INC79 citations98
USD828542SSep 11, 2018

Flange for a breast pump

EXPLORAMED NC7 INC31 citations94
US10625005B2Apr 21, 2020

Breast pump assembly with remote interface

EXPLORAMED NC7 INC34 citations93
USD834177SNov 20, 2018

Flex conduit for a breast pump

EXPLORAMED NC7 INC8 citations84
USD811579SFeb 27, 2018

Flex conduit for a breast pump

EXPLORAMED NC7 INC11 citations84
USD905230SDec 15, 2020

Flex conduit for a breast pump

EXPLORAMED NC7 INC1 citations73
USD862680SOct 8, 2019

Container assembly for a breast pump

EXPLORAMED NC7 INC2 citations72
USD856507SAug 13, 2019

Container assembly for a breast pump

EXPLORAMED NC7 INC1 citations72
USD958963SJul 26, 2022

Container assembly for a breast pump

EXPLORAMED NC7 INC0 citations62

WILLOW INNOVATIONS INC

7 patents
USD977625SFeb 7, 2023

Breast pump

WILLOW INNOVATIONS INC17 citations94
USD998137SSep 5, 2023

Flange for a breast pump

WILLOW INNOVATIONS INC3 citations73
US11534535B2Dec 27, 2022

Breast pump containers and methods

WILLOW INNOVATIONS INC3 citations68
US12370292B2Jul 29, 2025

Breast pump assembly

WILLOW INNOVATIONS INC0 citations61
US11951238B2Apr 9, 2024

Breast pump assembly and methods

WILLOW INNOVATIONS INC0 citations61
US11660380B2May 30, 2023

Breast pump system with collection container

WILLOW INNOVATIONS INC1 citations61
US12208185B2Jan 28, 2025

Breast pump housing and flange assembly

WILLOW INNOVATIONS INC0 citations53

MAKOWER JOSHUA

2 patents
US8090430B2Jan 3, 2012

Methods and apparatus for acute or chronic delivery or substances or apparatus to extravascular treatment sites

MAKOWER JOSHUA168 citations98
US8672920B2Mar 18, 2014

Devices, systems and methods for acute or chronic delivery of substances or apparatus to extravascular treatment sites

MAKOWER JOSHUA31 citations91

MEDTRONIC VASCULAR INC

2 patents
US7316655B2Jan 8, 2008

Systems and methods for directing and snaring guidewires

MEDTRONIC VASCULAR INC224 citations98
US9907932B2Mar 6, 2018

Devices, systems and methods for acute or chronic delivery of substances or apparatus to extravascular treatment sites

MEDTRONIC VASCULAR INC1 citations61

SKYPE

2 patents
US8345600B2Jan 1, 2013

Reducing processing resources incurred by a user interface

SKYPE24 citations93
US9514627B2Dec 6, 2016

Reducing processing resources incurred by a user interface

SKYPE2 citations63

TRANSVASCULAR INC

1 patent
US6379319B1Apr 30, 2002

Systems and methods for directing and snaring guidewires

TRANSVASCULAR INC370 citations98

EVARD PHILIP

1 patent
US8951225B2Feb 10, 2015

Catheters with non-removable guide members useable for treatment of sinusitis

EVARD PHILIP41 citations95

UNIV CALIFORNIA

1 patent
US6607487B2Aug 19, 2003

Ultrasound image guided acetabular implant orientation during total hip replacement

UNIV CALIFORNIA110 citations95

PRIME COMPUTER INC

1 patent
US5113514AMay 12, 1992

System bus for multiprocessor computer system

PRIME COMPUTER INC102 citations94

GEN ELECTRIC

1 patent
US4675149AJun 23, 1987

Jet pump beam holder/positioner tool

GEN ELECTRIC46 citations92

L LIVERMORE NAT SECURITY LLC

1 patent
US7993266B2Aug 9, 2011

Early detection of contagious diseases

L LIVERMORE NAT SECURITY LLC31 citations89

STARCITE INC

1 patent
US7523385B2Apr 21, 2009

System and method for enterprise event marketing and management automation

STARCITE INC120 citations88

NGUYEN JUSTIN T

1 patent
US8065171B2Nov 22, 2011

Event planning system

NGUYEN JUSTIN T34 citations82

UNIV PRINCETON

1 patent
US9838125B2Dec 5, 2017

Multibeam radio frequency photonic beamformer using a multi-signal slow light time delay unit

UNIV PRINCETON5 citations72

MICROSOFT TECHNOLOGY LICENSING LLC

1 patent
US9491617B2Nov 8, 2016

Network access

MICROSOFT TECHNOLOGY LICENSING LLC3 citations71

LITE ON TECHNOLOGY CORP

1 patent
US6971064B2Nov 29, 2005

Method for automatically forwarding and replying short message

LITE ON TECHNOLOGY CORP9 citations66

CHAMPION INT CORP

1 patent
US4250098AFeb 10, 1981

Chromogenic compounds

CHAMPION INT CORP2 citations63

JEON JAE

1 patent
US9917356B2Mar 13, 2018

Band-notched spiral antenna

JEON JAE4 citations62

CHOU HSII C

1 patent
US4712252ADec 15, 1987

Anti-wind raincoats

CHOU HSII C10 citations59

IBM

1 patent
US7544252B1Jun 9, 2009

Spring actuated slotted DIMM contact cleaning device

IBM4 citations58

CHANG JOHN

1 patent
US5108091AApr 28, 1992

Multi-purpose controller for a stationary bicycle

CHANG JOHN5 citations57

Showing the top 50 of 56 patents by PatentIndex Score.