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CHAKRABORTY ARPAN

Overview
  • Total Patents
    21
About

CHAKRABORTY ARPAN has a total of 21 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets semiconductors, optics and micro-structure and nano-technology are ASTRALUX INC, SHANXI FEIHONG MICRO NANO PHOTOELECTRONICS SCIENCE & TECH CO LTD and LUMILEDS LIGHTING US.

Patent filings in countries

World map showing CHAKRABORTY ARPANs patent filings in countries

Patent filings per year

Chart showing CHAKRABORTY ARPANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chakraborty Arpan 21
#2 Mishra Umesh K 7
#3 Denbaars Steven P 7
#4 Speck James S 5
#5 Nakamura Shuji 5
#6 Haskell Benjamin A 3
#7 Keller Stacia 3
#8 Kim Kwang-Choong 3
#9 Tyagi Anurag 2
#10 Aldaz Rafael 1

Latest patents

Publication Filing date Title
US9646827B1 Method for smoothing surface of a substrate containing gallium and nitrogen
US8911518B1 Method and system for dicing substrates containing gallium and nitrogen material with conductive core via structures
US2013075770A1 Miscut bulk substrates
US2012076165A1 Asymmetrically cladded laser diode
US2009057690A1 Wafer level phosphor coating technique for warm light emitting diodes
WO2008143773A2 Single crystal phosphor light conversion structures for light emitting devices
US2009272996A1 Encapsulation for phosphor-converted white light emitting diode
US2009236621A1 Low index spacer layer in LED devices
US2009236619A1 Light emitting diodes with light filters
US2009194775A1 Semiconductor light emitting devices with high color rendering
US2009072254A1 Polarization doping in nitride based diodes
WO2007133603A2 In-situ defect reduction techniques for nonpolar and semipolar (ai, ga, in)n