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HOETRON INC

Overview
  • Total Patents
    11
About

HOETRON INC has a total of 11 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Japan and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology, optics and semiconductors are LASER MAGNETIC STORAGE INT, NAGATOMI KENJI and EKISUPAATO MAGNETICS KK.

Patent filings in countries

World map showing HOETRON INCs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Japan 4
#3 EPO (European Patent Office) 2

Patent filings per year

Chart showing HOETRON INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Lee Wai-Hon 11

Latest patents

Publication Filing date Title
US6043935A Wavelength sensitive beam combiner with aberration correction
US6188062B1 Laser/detector hybrid with integrated mirror and diffracted returned beam
EP0860819A2 Optical pickup using two semiconductor lasers with different wavelengths
US5991249A Optical track sensing device
US5285062A Laser/detector hybrid with mirror source and diffracted return beam
US5136152A Hybrid optical pickup with integrated power emission and reading photodetectors