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Inventor

Ji-Fuh Liang

Inventor
San Jose, CA, US

Overview

4→
Patents
2003–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Pprimary
H01PWaveguides33%
H03HImpedance networks, e.g. resonant circuits33%
H04BTransmission17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
8,193,877'Duplexer with negative phase shifting circuit'20128,063,717'Duplexer having resonator filters'20117,437,187'Superconductive filter with capacitive patches providing reduced cross-coupling'20086,529,750'Microstrip filter cross-coupling control apparatus and method'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2008Patents assigned to CONDUCTUS INC (2)· patent assignee history
2003Based in Sunnyvale, CA, US· patent location history
2008Based in San Diego, CA, US· patent location history
2011–2012Patents assigned to AVAGO TECHNOLOGIES WIRELESS IP (2)· patent assignee history
2011–2012Patents assigned to LIANG JI-FUH (2)· patent assignee history
2011Patents assigned to BRADLEY PAUL (1)· patent assignee history
2011–2012Based in San Jose, CA, US· patent location history
2012Patents assigned to FRITZ MARTIN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AVAGO TECHNOLOGIES WIRELESS IP22011–2012
CONDUCTUS INC22003–2008
LIANG JI-FUHself22011–2012
BRADLEY PAUL12011
FRITZ MARTIN12012
Locations
LocationPatentsSpan
San Jose, California, US22011–2012
San Diego, California, US12008
Sunnyvale, California, US12003