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GEMFIRE CORP

Overview
  • Total Patents
    101
About

GEMFIRE CORP has a total of 101 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets optics, machines and audio-visual technology are ROHM & HAAS DENMARK FINANCE AS, BEAMUS LTD and SMARTLIGHT LTD.

Patent filings per year

Chart showing GEMFIRE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bischel William K 55
#2 Kowalczyk Tony C 37
#3 Deacon David A G 34
#4 Field Simon J 32
#5 Brinkman Michael J 29
#6 Bulthuis Hindrik Freerk 18
#7 Tompane Richard B 14
#8 Hehlen Markus P 12
#9 Jubber Michael G 11
#10 Wagner David K 11

Latest patents

Publication Filing date Title
CN103608720A Optical device with reduced polarization sensitivity
WO2012051314A2 Awg supporting multiple frequency bands and channel plans
WO2011116333A1 Arrayed waveguide grating compensated in temperature up to the second order with longitudinal slots therein
US2007274632A1 Arrayed waveguide grating with reduced channel passband asymmetry
CA2645082A1 Dynamically tunable waveguide chip for optical transforms
US7382953B1 Folded AWG architecture
US2006198579A1 Optical device with reduced temperature dependence
US2004105611A1 Multi-channel laser pump source for optical amplifiers
WO02065600A2 Multi-channel laser pump source and packaging method therefor
US7263247B1 Integrated optical isolator array
WO0210812A2 Device and method for variable attenuation of an optical channel
US2002018636A1 Device and method for variable attenuation of an optical channel
AU1936401A Photodefinition of optical devices
US6507681B1 Anti-waveguide routing structure
US6434318B1 Device and method for variable attenuation of an optical channel
US6351578B1 Thermo-optic switch having fast rise-time
US6556734B1 Electrical connection scheme for optical devices
US6208791B1 Optically integrating pixel microstructure
US6236774B1 Optoelectronic and photonic devices formed of materials which inhibit degradation and failure
US6167169A Scanning method and architecture for display