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LI PINGSHAN

Overview
  • Total Patents
    11
About

LI PINGSHAN has a total of 11 patent applications. Its first patent ever was published in 2009. It filed its patents most often in United States. Its main competitors in its focus markets audio-visual technology, computer technology and optics are SHENZHEN ARASHI VISION COMPANY LTD, ACTIVE OPTICS PTY LTD and VISTAS UNLTD INC.

Patent filings in countries

World map showing LI PINGSHANs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing LI PINGSHANs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Li Pingshan 11
#2 Miyagi Kensuke 5
#3 Ciurea Florian 4
#4 Shuda Tomonori 3
#5 Watanabe Masato 1
#6 Triteyaprasert Soroj 1
#7 Sugiura Mamoru 1
#8 Ali Gazi 1
#9 Wong Earl 1

Latest patents

Publication Filing date Title
US2013141630A1 Optimal blur matching selection for depth estimation
US2013142386A1 System and method for evaluating focus direction under various lighting conditions
US2013142394A1 System and method for performing depth estimation utilizing defocused pillbox images
US2013141537A1 Methodology for performing depth estimation with defocused images under extreme lighting conditions
US2013182152A1 Camera autofocus adaptive blur matching model fitting
US2012249816A1 Focus direction detection confidence system and method
US2012249833A1 Motion robust depth estimation using convolution and wavelet transforms
US2012236170A1 Blur difference estimation using multi-kernel convolution
US2011229052A1 Blur function modeling for depth of field rendering
US2010194971A1 Two-dimensional polynomial model for depth estimation based on two-picture matching