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LIGHT KOKI CO

Overview
  • Total Patents
    15
About

LIGHT KOKI CO has a total of 15 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Germany and United States. Its main competitors in its focus markets optics are JUPITER DENTSU KK, RAITORON KK and ADVANCED FIBER PRODUCTS LLC.

Patent filings in countries

World map showing LIGHT KOKI COs patent filings in countries
# Country Total Patents
#1 Germany 11
#2 United States 4

Patent filings per year

Chart showing LIGHT KOKI COs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Optical systems

Top inventors

# Name Total Patents
#1 Shimizu Fumio 8
#2 Fujimori Masaaki 4
#3 Kikuchi Yukuhiro 1
#4 Shimiui Fumio 1
#5 Kikuchi Yukihiro 1

Latest patents

Publication Filing date Title
US4502763A Waterproof bodytube for binoculars and the like
DE3151461A1 Zoom binoculars
DE3150795A1 WATERPROOF DOUBLE SCOPE
DE3027736A1 SLIDING FOCUSING MECHANISM FOR BINOCULARS
DE2950204A1 Multiple control button system for binoculars - includes driven spindles with projecting pins sliding in slots in lens guide sleeves
DE2902147A1 Focussing mechanism for biaxial binoculars - has displaceable focussing shaft between right and left binocular tubes fixed to both ends of baseplate
DE2841610A1 Field of view adjustment mechanism for binoculars - has vertical thread on inner surface of ring-shaped grip to engage with another thread on lens frame shaft
DE2841611A1 Focusing mechanism for binoculars - with separate range and focus adjusting knobs mounted to shaft and coupled with converting rods
DE2735653A1 Binoculars with centre grip adjusting mechanism - have intermediate locking bridge on both sides of adjusting shaft
DE2717573A1 Prismatic field glass with central focussing knobs - has two telescope tubes on either side of knob guide pin
DE2717575A1 Twin axis binoculars compensating for mfg. tolerances - have adjusting mechanism with centre button connecting two single telescopes using base plate
DE2717574A1 Panchromatic folding zoom binoculars - have single knob zoom control and removable peg permitting compact folding together of parts