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COSEL CO LTD

Overview
  • Total Patents
    315
  • GoodIP Patent Rank
    20,100
  • Filing trend
    ⇩ 75.0%
About

COSEL CO LTD has a total of 315 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 1997. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and semiconductors are FSP-POWERLAND TECH INC, LIN FUXIANG and SHENZHEN BOYN ELECTRIC CO LTD.

Patent filings in countries

World map showing COSEL CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Horii Kazuhiro 72
#2 Maesaka Masaharu 46
#3 Hirokawa Yoshimichi 15
#4 Nakada Mitsuo 14
#5 Takeshima Koji 12
#6 Watanabe Toshio 11
#7 Bano Tatsuya 9
#8 Takashima Makoto 9
#9 Koizumi Takehiro 8
#10 Usuda Takeshi 7

Latest patents

Publication Filing date Title
JP2020188613A Switching power supply device
JP2020127287A Switching power supply device
JP2020089154A DC power supply
JP2020005333A Switching power supply device
JP2019201442A Switching power supply device
JP2019187021A Switching power source device and control method therefor
JP2019115132A Switching power supply
JP2019092273A Switching power supply device
JP2019083670A Stabilized power supply device
JP2019083669A Switching power supply device
JP2019004628A Non-contact power supply device
JP2018196215A Power supply device
JP2018191415A Non-contact power supply device
JP2018137892A Switching power supply
JP2018033291A Switching power supply device
JP2018117493A Switching power supply unit
JP2018117076A Circuit board connection structure
JP2018117077A Circuit board connection structure
JP2018111122A Soldering device and soldering method
JP2018113811A Switching power source apparatus