Inventor

Yu-Jih Liu

Inventor
Shanghai, CN

Overview

32→
Patents
1989–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 32 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 communication16%
H04WWireless communication networks15%
G10LSpeech analysis techniques or speech synthesis11%
H01RElectrically-conductive connections8%
H05KPrinted circuits6%
H04BTransmission5%
H04MTelephonic communication3%
Y10TTechnical subjects covered by former us classification3%
B08BCleaning in general2%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
PatentTitleYear
11,000,912Automatic solder paste feeding system202111,000,956Gripping system202110,999,961Positioning device202110,993,360Assembly system202110,985,517Apparatus for assembling cases made of thin plate202110,957,471Calibration system and calibrating method202110,933,460Wire processing apparatus202110,906,152Integrated equipment for processing fiber optic ferrule202110,257,719Method and device for wireless topology discovery for train backbone networks20199,953,645Voice recognition device and method of controlling same20189,865,252'Voice recognition apparatus and method for providing response information'20189,462,507'Load balancing method and system for multi-band network'20169,191,439'Method and system for data synchronization in content delivery network'20158,787,315'Method and device for handing off between base stations'20148,631,270'Method, device for running internet protocol television service system, and internet protocol television service system'20148,089,884'Method and apparatus for early warning of congestion in Ad-Hoc wireless networks'20127,889,641'Path flow formulation for fast reroute bypass tunnels in MPLS networks'20117,765,093'Network modeling system and method of simulating network operation with configurable node models'20107,729,321'Nearly collision-free channel access system and method'20107,720,072'Method for dynamic bandwidth allocation in passive optical network'20107,639,609'Controlled incremental multi-protocol label switching (MPLS) traffic engineering'20097,502,360'Method and apparatus for dynamic neighbor discovery within wireless networks using time division multiple access (TDMA)'20097,502,382'Method and apparatus for multicast packet distribution in a satellite constellation network'20097,184,421'Method and apparatus for on demand multicast and unicast using controlled flood multicast communications'20077,103,371'Method and apparatus for dynamic voice reservation within wireless networks'20066,980,537'Method and apparatus for communication network cluster formation and transmission of node link status messages with reduced protocol overhead traffic'2005RE038269'Enhancement of speech coding in background noise for low-rate speech coder'20036,134,514'Large-scale network simulation method and apparatus'20005,680,508'Enhancement of speech coding in background noise for low-rate speech coder'19975,012,518'Low-bit-rate speech coder using LPC data reduction processing'19914,975,956'Low-bit-rate speech coder using LPC data reduction processing'19904,797,924'Vehicle voice recognition method and apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Based in Wharton, NJ, US· patent location history
2000–2012Patents assigned to ITT MFG ENTERPRISES INC (10)· patent assignee history
2005–2012Based in Ledgewood, NJ, US· patent location history
2010–2016Based in Shenzhen, CN· patent location history
2014–2016Patents assigned to LIU YU (4)· patent assignee history
2018Based in Suwon-si, KR· patent location history
2021Patents assigned to TYCO ELECTRONICS SHANGHAI CO LTD (8)· patent assignee history
2021Patents assigned to TE CONNECTIVITY CORP (6)· patent assignee history
2021Patents assigned to SHENZHEN AMI TECH CO LTD (4)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ITT MFG ENTERPRISES INC102000–2012
TYCO ELECTRONICS SHANGHAI CO LTD82021
TE CONNECTIVITY CORP62021
LIU YUself42014–2016
SHENZHEN AMI TECH CO LTD42021
Locations
LocationPatentsSpan
Shanghai, CN82021
Ledgewood, New Jersey, US82005–2012
Wharton, New Jersey, US61989–2003
Shenzhen, CN42010–2016
Suwon-si, KR22018