P

Inventor

CHANG ANDY

TW16 patents
⚠️ This page may combine multiple inventors who share the name “CHANG ANDY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHANG ANDY

4 patents
US4949616AAug 21, 1990

Stepless transmission scroll sawing machine with saw blade fastening and micro-inch adjusting means and the related positioning device

CHANG ANDY24 citations91
US5105704AApr 21, 1992

Adjustable saw blade fastener

CHANG ANDY9 citations72
US5022157AJun 11, 1991

Transmission mechanism for scroll sawing machine

CHANG ANDY8 citations72
US5070752ADec 10, 1991

Structure of driving mechanism for scroll sawing machine

CHANG ANDY3 citations61

AHLGREN JANET

2 patents
US8082301B2Dec 20, 2011

System for supporting collaborative activity

AHLGREN JANET1,695 citations96
US8850385B2Sep 30, 2014

System for supporting collaborative activity

AHLGREN JANET8 citations81

DOW GLOBAL TECHNOLOGIES INC

1 patent
US7807593B2Oct 5, 2010

Multi-layer, pre-stretched elastic articles

DOW GLOBAL TECHNOLOGIES INC23 citations92

BRUNI SYLVAIN

1 patent
US9293054B2Mar 22, 2016

Systems and methods to react to environmental input

BRUNI SYLVAIN31 citations84

UNIV HONG KONG SCIENCE & TECHN

1 patent
US7720148B2May 18, 2010

Efficient multi-frame motion estimation for video compression

UNIV HONG KONG SCIENCE & TECHN20 citations84

HK APPLIED SCIENCE & TECH RES

1 patent
US7657113B2Feb 2, 2010

Auto-regressive method and filter for denoising images and videos

HK APPLIED SCIENCE & TECH RES12 citations83

VIRTUALAGILITY INC

1 patent
US8966445B2Feb 24, 2015

System for supporting collaborative activity

VIRTUALAGILITY INC11 citations82

AMAZON TECH INC

1 patent
US11500837B1Nov 15, 2022

Automating optimizations for items in a hierarchical data store

AMAZON TECH INC6 citations67

GOOGLE INC

1 patent
US9864655B2Jan 9, 2018

Methods and apparatus for mobile computing device security in testing facilities

GOOGLE INC2 citations61

TFI DIGITAL MEDIA LTD

1 patent
US11435896B1Sep 6, 2022

Secured operation with optional cancellation on touch-sensitive devices

TFI DIGITAL MEDIA LTD0 citations44

LI KUO-TSAI

1 patent
US8949080B2Feb 3, 2015

Methods of designing integrated circuits and systems thereof

LI KUO-TSAI0 citations42

HALLIBURTON ENERGY SERVICES INC

1 patent
US10598005B2Mar 24, 2020

pH-sensitive chemicals for downhole fluid sensing and communication with the surface

HALLIBURTON ENERGY SERVICES INC0 citations36