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Inventor

Junren Chang

Inventor
Beijing, CN

Overview

3→
Patents
2014–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Wprimary
H04WWireless communication networks50%
H01RElectrically-conductive connections25%
H04LTransmission of digital information, e.g. telegraphic communication25%
PatentTitleYear
11,006,292User equipment, base station, base station access method, and radio link monitoring method202110,887,846Uplink transmission power control method and user equipment20218,718,296'Portable electronic device having universal earphone jack'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to CHANG JO-CHIEN (1)· patent assignee history
2014Patents assigned to FIH HONG KONG LTD (1)· patent assignee history
2014Based in Taoyuan, TW· patent location history
2021Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD22021
CHANG JO-CHIENself12014
FIH HONG KONG LTD12014
Locations
LocationPatentsSpan
Beijing, CN22021
Taoyuan, TW12014