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OYOKODEN LAB CO LTD

Overview
  • Total Patents
    55
About

OYOKODEN LAB CO LTD has a total of 55 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets optics and telecommunications are CAILABS, LINKTEL TECH CO LTD and ADC COMMUNICATIONS AUSTRALIA PTY LTD.

Patent filings in countries

World map showing OYOKODEN LAB CO LTDs patent filings in countries

Patent filings per year

Chart showing OYOKODEN LAB CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tanaka Yuichi 31
#2 Takushima Yuichi 27
#3 Kataoka Haruki 27
#4 Kikuchi Kazuro 27
#5 Yamashita Shiro 23
#6 Higashi Noboru 17
#7 Tokita Hironori 16
#8 Furuki Kenji 15
#9 Jablonski Mark Kenneth 15
#10 Kojo Kenji 13

Latest patents

Publication Filing date Title
JP2006058473A Dielectric multilayered film filter and its manufacturing method
JP2005274736A Connector for optical fiber
JP2005266625A Variable wavelength optical filter module
JP2005043727A Optical coupler, excitation module using it, and optical circulator
JP2005025097A Optical circulator
JP2004294155A Apparatus and method for measuring refractive index and thickness
JP2004287331A Optical switch
JP2004287056A Resonance filter
JP2004286966A Lens fixing device and manufacturing method therefor
JP2004272143A Optical coupling device for optical waveguide and its manufacturing method
JP2004184223A Polarizing status monitor
WO02071115A1 Optical part
JP2003066289A Structure for optical module
WO03009436A1 Back exciting optical coupling method, and back exciting optical coupler using the method
WO0194991A1 Composite light dispersion for compensating device and method for compensating light dispersion using the device
WO0186339A1 Light dispersion compensation element and light dispersion compensation method using the element
US6943951B2 Optical component and dispersion compensation method
WO0184750A1 Optical dispersion compensating device and optical dispersion compensating method using the device
WO0184749A1 Optical dispersion compensating device and optical dispersion compensating method using the device
JP2002277685A Optical fiber connecting method