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Inventor

Ping-Cheng Chang

Inventor
Chaozhou Town, TW

Overview

10→
Patents
2006–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials60%
G06FElectric digital data processing20%
E05BLocks7%
E05CBolts or fastening devices for wings, specially for doors or windows7%
H01FMagnets7%
PatentTitleYear
7,961,152'Electronic device having helical resilient member serving as electric inductance element'20117,825,862'Antenna device with surface antenna pattern integrally coated casing of electronic device'20107,768,461'Antenna device with insert-molded antenna pattern'20107,742,002'Antenna device with radiation pattern adjustment element'20107,671,809'Antenna device with ion-implanted antenna pattern'20107,671,811'Antenna device with ground plane coupled to conductive portion of an electronic device'20107,474,268'Coupling antenna device having antenna pattern with multi-frequency resonating sectors'20097,432,866'Antenna device with ion-implanted resonant pattern'20087,183,980'Inverted-F antenna'20077,113,133'Dual-band inverted-F antenna with a branch line shorting strip'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2007Patents assigned to ADVANCED CONNECTEK INC (2)· patent assignee history
2006–2007Based in Taipei, TW· patent location history
2008–2009Patents assigned to MITAC TECHNOLOGY CORP (2)· patent assignee history
2008–2011Based in Pingtung County, TW· patent location history
2009–2010Based in Chaozhou Town, TW· patent location history
2010–2011Patents assigned to GETAC TECHNOLOGY CORP (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GETAC TECHNOLOGY CORP62010–2011
ADVANCED CONNECTEK INC22006–2007
MITAC TECHNOLOGY CORP22008–2009
Locations
LocationPatentsSpan
Chaozhou Town, TW52009–2010
Pingtung County, TW32008–2011
Taipei, TW22006–2007