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SEOUL OPTO DEVICES CO LTD

Overview
  • Total Patents
    92
About

SEOUL OPTO DEVICES CO LTD has a total of 92 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets semiconductors, electrical machinery and energy and micro-structure and nano-technology are SEOUL OPTO DEVICE CO LTD, Aledia and SAVVY SCIENCE LTD.

Patent filings in countries

World map showing SEOUL OPTO DEVICES CO LTDs patent filings in countries

Patent filings per year

Chart showing SEOUL OPTO DEVICES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoon Yeo Jin 22
#2 Lee Chung Hoon 15
#3 Kim Hwa Mok 11
#4 Seo Won Cheol 11
#5 Kim Dae Won 10
#6 Sakai Shiro 9
#7 Kal Dae Sung 8
#8 Lee Jae Ho 8
#9 Ye Kyung Hee 7
#10 Hwang Eu Jin 7

Latest patents

Publication Filing date Title
JP2013232589A Method for fabricating p-type aluminum gallium nitride semiconductor
JP2012028749A Light-emitting diode
JP2012234853A Semiconductor substrate, semiconductor device, and method of manufacturing the same
JP2011243956A High-efficiency light emitting diode and method for manufacturing same
JP2011216882A High-efficiency light emitting diode, and method for fabricating the same
JP2012166995A Laminated substrate, and method for manufacturing the same
JP2011166146A Light-emitting diode chip having distributed bragg reflector and method of fabricating the same
JP2012156429A Aluminum carbide thin film, semiconductor substrate with aluminum carbide thin film formed thereon, and method for manufacturing aluminum carbide thin film and semiconductor substrate
JP2011055007A Ac-driven light emitting diode
JP2011187926A Semiconductor substrate, semiconductor device, and manufacturing methods thereof
JP2011165978A Semiconductor substrate and manufacturing method thereof, and semiconductor device and manufacturing method thereof
JP2010103522A Ac drive type light-emitting element with delay phosphor and light-emitting element module
JP2010087515A Light emitting device and method of manufacturing the same
JP2009152552A Light-emitting diode having active region of multiple quantum well structure
JP2009076914A Group-iii nitride compound semiconductor device
JP2008311658A Light emitting diode having active region of multiple quantum well structure
CN101820043A Light-emitting device
WO2007018360A1 Ac light emitting diode and method for fabricating the same
WO2007001116A1 Light emitting device for ac power operation
WO2007040295A1 (al, ga, in)n-based compound semiconductor and method of fabricating the same