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SUMITOMO ELECTRIC INDUSTRIES

Overview
  • Total Patents
    82,990
  • GoodIP Patent Rank
    105
  • Filing trend
    ⇩ 6.0%
About

SUMITOMO ELECTRIC INDUSTRIES has a total of 82,990 patent applications. It decreased the IP activity by 6.0%. Its first patent ever was published in 1953. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets semiconductors, optics and machines are HITACHI CABLE, HYMITE AS and WU KAI-WEN.

Patent filings per year

Chart showing SUMITOMO ELECTRIC INDUSTRIESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kakii Toshiaki 749
#2 Masuda Takeyoshi 672
#3 Sawada Kazuo 642
#4 Itozaki Hideo 635
#5 Nitta Koji 623
#6 Ishikawa Shinji 610
#7 Majima Masatoshi 601
#8 Okuno Kazuki 585
#9 Nakamura Takao 549
#10 Yamakawa Akira 524

Latest patents

Publication Filing date Title
US2021126579A1 Photovoltaic module, photovoltaic panel, and production method for photovoltaic module
US2021126428A1 Semiconductor optical device
US2021126604A1 Differential amplifier circuit having variable gain
US2021126603A1 Transimpedance amplifier circuit
US2021126602A1 Optical receiver and transimpedance amplifier circuit
US2021124124A1 Optical fiber module and optical switch
WO2021075437A1 Solar power generation device cleaning device, and solar power generation device cleaning system
WO2021079788A1 Optical fiber and optical cable
JP2021002684A Method for manufacturing green compact
US2021104395A1 Method of manufacturing high electron mobility transistor and high electron mobility transistor
US2021126424A1 Semiconductor laser diode and method for producing semiconductor laser diode
US2021116775A1 Optical modulator
WO2021070625A1 Mirror driving mechanism and optical module
US2021098963A1 Wavelength tunable laser device and method for manufacturing the same
US2021111541A1 Light-emitting module and manufacturing method thereof, and surface-emitting laser
JP2021004173A Method of manufacturing hexagonal crystal compound semiconductor
WO2021060101A1 Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module and photosensor
WO2021049626A1 Optical fiber unit and optical fiber cable
US2021072445A1 Optical module
JP2021005717A Transmission device, cable guide, and board removing method