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COHERENT GMBH

Overview
  • Total Patents
    44
About

COHERENT GMBH has a total of 44 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets optics, semiconductors and machine tools are NLIGHT PHOTONICS CORP, JENOPTIK LASERDIODE GMBH and SHOWA OPTRONICS CO LTD.

Patent filings per year

Chart showing COHERENT GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Kai 6
#2 Targsdorf Andreas 6
#3 Paetzel Rainer 5
#4 Desor Rainer 4
#5 Schwenger Ludwig 4
#6 Stopka Michael 4
#7 Pippert Klaus 3
#8 Spiekermann Stefan 3
#9 Seelert Wolf 3
#10 Simon Frank 3

Latest patents

Publication Filing date Title
US2016276801A1 MOPA with externally triggered passively Q-switched laser
US2014241386A1 Short-pulsed compact MOPA
US2014169390A1 Wavelength-stabilized microcrystal laser
US2014092926A1 Wavelength-stabilized frequency-converted optically pumped semiconductor laser
TW201247947A Amorphous silicon crystallization using combined beams from multiple oscillators
WO2012031739A1 Intra-cavity sum-frequency mixing using solid-state and semiconductor gain-media
US2013034118A1 Gas purifier for an excimer laser
KR20140003391A High-precision synchronization of pulsed gas-discharge lasers
WO2012019730A1 Advanced shifting algorithm for prolonging the life of an optically nonlinear crystal
US2012020380A1 Modulation method for diode-laser pumped lasers
US2011128609A1 Beam steering using a thermally anisotropic medium
DE102009050680A1 Method and apparatus for crystallizing an amorphous semiconductor layer with a laser beam
DE102008033358A1 Device and method for redistributing the beam parameter product of a laser beam
DE102008008580A1 Apparatus and method for beam shaping a homogenized light beam
DE102008008583A1 Apparatus and method for leveling the light intensity of a homogenized light beam
DE102007044298B3 Method and arrangement for generating a laser beam with a linear beam cross section
DE102007032253A1 Method for varying the light output of a frequency-converted laser beam obtained by means of a non-linear optical arrangement
DE102007027679A1 Fixing device for an optical element
DE102007027680B3 Laser resonator for production of ultra-violet laser radiation by resonator-internal frequency conversion, has two resonator end mirrors, where housing has housing wall, and recess is covered by metal diaphragm
DE102007025942A1 Process for the selective thermal surface treatment of a surface substrate