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Inventor

Chi-Hung Chan

Inventor
New Taipei, TW

Overview

10→
Patents
1985–2019
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.

A47Bprimary
A47BTables15%
A47CChairs15%
G05DSystems for controlling or regulating non-electric variables15%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers15%
G06FElectric digital data processing8%
H01JElectric discharge tubes or discharge lamps8%
H01LSemiconductor devices8%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%
PatentTitleYear
10,430,318Systems and methods for efficiently performing regression testing on software updates201910,334,961Portable device for controlling electrical adjustable apparatus201910,154,736Portable device for controlling electrical adjustable apparatus20189,711,326'Test structure for electron beam inspection and method for defect determination using electron beam inspection'20179,326,072'Wearable speaker system with satellite speakers and a passive radiator'20168,818,013'Wearable speaker system with satellite speakers and a passive radiator'20147,166,937'Power supply, and associated method, exhibiting selectable electrical characteristics'2007D0313354'Digital display timepiece'1991D0306456'Pocket calculator'1990D0279197'Calculator clip'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1991Patents assigned to DAH SUN ELECTRONICS COMPANY LTD (3)· patent assignee history
1985–1991Based in Kowloon, HK· patent location history
1990–2007Based in Hong Kong, CN· patent location history
2014–2016Patents assigned to PLASTOFORM IND LTD (2)· patent assignee history
2014Patents assigned to CHAN CHI HUNG MATTHEW (1)· patent assignee history
2014–2016Based in Kwai Chung, HK· patent location history
2018–2019Patents assigned to TIMOTION TECHNOLOGY CO LTD (2)· patent assignee history
2018–2019Based in New Taipei, TW· patent location history
2019Patents assigned to JUNIPER NETWORKS INC (1)· patent assignee history
2019Based in San Ramon, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAH SUN ELECTRONICS COMPANY LTD31985–1991
PLASTOFORM IND LTD22014–2016
TIMOTION TECHNOLOGY CO LTD22018–2019
CHAN CHI HUNG MATTHEWself12014
JUNIPER NETWORKS INC12019
Locations
LocationPatentsSpan
New Taipei, TW22018–2019
Kwai Chung, HK22014–2016
Hong Kong, CN21990–2007
Kowloon, HK21985–1991
San Ramon, California, US12019