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DONAM SYSTEMS INC

Overview
  • Total Patents
    26
About

DONAM SYSTEMS INC has a total of 26 patent applications. Its first patent ever was published in 1998. It filed its patents most often in WIPO (World Intellectual Property Organization), Canada and China. Its main competitors in its focus markets optics, measurement and telecommunications are PHOTOP TECH INC, OPTISK FORSKNING INST and SPARKOLOR CORP.

Patent filings in countries

World map showing DONAM SYSTEMS INCs patent filings in countries

Patent filings per year

Chart showing DONAM SYSTEMS INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Koh Yeon Wan 8
#2 Kim Byoung Yoon 8
#3 Lee Bong-Wan 7
#4 Jeong Ho-Jin 7
#5 Yeo Young Bae 7
#6 Kim Byoung-Yoon 6
#7 Lee Bong Wan 6
#8 Koh Yeon-Wan 4
#9 Pyo Jung-Hyung 4
#10 Lee Young-Wuk 4

Latest patents

Publication Filing date Title
EP1368678A1 Apparatus and method for measuring polarization dependent loss using repeated high speed polarization scrambling
WO03021314A1 Polarization mode dispersion emulator
CN1340152A Apparatus and method for detecting polarization
CA2303092A1 Optical amplifier with actively controlled spectral gain and fiber light source with desired output spectrum
CN1252872A Optical fiber polarisation scrambler and operating parameter input method thereof
CN1226972A Optical fiber polarization controller