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CHANG YUN-SHAN

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    175,382
About

CHANG YUN-SHAN has a total of 30 patent applications. Its first patent ever was published in 2013. It filed its patents most often in Taiwan, United States and China. Its main competitors in its focus markets electrical machinery and energy, computer technology and measurement are HU JIANGUO, TRIGEM COMPUTER INC and OSISOFT LLC.

Patent filings in countries

World map showing CHANG YUN-SHANs patent filings in countries
# Country Total Patents
#1 Taiwan 14
#2 United States 14
#3 China 2

Patent filings per year

Chart showing CHANG YUN-SHANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Yun-Shan 30

Latest patents

Publication Filing date Title
US2015381041A1 Low-light solar boost converter and control method therefor
US2015293612A1 Pen-type optical indexing apparatus and method for controlling the same
TW201539956A Low-light solar boost converter and control method therefor
CN104932714A Pen type optical indicating device and control method thereof
US2015261329A1 Electronic device having optical indexing module
TW201535165A Pen-type optical indexing apparatus and method for controlling the same
US2015193016A1 Cursor control apparatus and method for the same
US2015193019A1 Mobile apparatus with optical indexer, and method for indexing using the same
US2015115866A1 Electricity storage device for solar energy harvesting device
CN104679348A Moving device with optical indicator and indicating method thereof
TW201519456A Adaptive solar energy harvesting device
TW201519014A Electronic device having optical indexing module
TW201519051A Mobile apparatus with optical indexer, and method for indexing using the same
TWI476646B Cursor control apparatus and method for the same
TW201517743A Solar energy harvesting protecting sheath and back-side cover of mobile device
US2015097778A1 Optical sensing module, laser pointing device using the same and the fabricating method thereof
US2015085298A1 Optical sensor array apparatus
US2015085299A1 Light tracing method and apparatus thereof
US2015084152A1 Photodiode
US2015071624A1 Instantaneously heating water dispenser and control method thereof