Inventor

Jian Chang

Inventor
Worcester, MA, US

Overview

4→
Patents
2006–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus33%
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 systems33%
G05FSystems for regulating electric or magnetic variables17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to DELTA ELECTRONICS INC (1)· patent assignee history
2006–2012Based in Taipei, TW· patent location history
2012Patents assigned to CHANG JIAN (1)· patent assignee history
2012Patents assigned to LEE MING-HSUAN (1)· patent assignee history
2012Patents assigned to SYSTEM GENERAL CORP (1)· patent assignee history
2021Patents assigned to SENKO ADVANCED COMPONENTS INC (2)· patent assignee history
2021Based in Worcester, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SENKO ADVANCED COMPONENTS INC22021
CHANG JIANself12012
DELTA ELECTRONICS INC12006
LEE MING-HSUAN12012
SYSTEM GENERAL CORP12012
Locations
LocationPatentsSpan
Worcester, Massachusetts, US22021
Taipei, TW22006–2012