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CHANG YUAN-CHI

Overview
  • Total Patents
    12
About

CHANG YUAN-CHI has a total of 12 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States and Taiwan. Its main competitors in its focus markets computer technology, machines and it methods for management are AURIGIN SYSTEMS INC, SHAPIRO ALAN JOSHUA and JUSTSYSTEMS EVANS RES INC.

Patent filings in countries

World map showing CHANG YUAN-CHIs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Taiwan 1

Patent filings per year

Chart showing CHANG YUAN-CHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Yuan-Chi 12
#2 Stanoi Ioana R 4
#3 Lang Christian A 3
#4 Lee Juhnyoung 3
#5 Hill Matthew L 2
#6 Sominsky Igor 1
#7 Wang Min 1
#8 Mukherjee Debdoot 1
#9 Li Chung-Sheng 1
#10 Smith John R 1

Latest patents

Publication Filing date Title
TW201420415A Harmonic deceleration driver of electric bicycle
US2012330996A1 Multi-granularity hierarchical aggregate selection based on update, storage and response constraints
US2008183657A1 Method and apparatus for providing direct access to unique hierarchical data items
US2006218177A1 System and method for storing and retrieving data through an inferencing-enabled metadata system
US2006190425A1 Method for merging multiple ranked lists with bounded memory