Learn more

SANKOSHA CO LTD

Overview
  • Total Patents
    506
  • GoodIP Patent Rank
    49,015
  • Filing trend
    ⇧ 42.0%
About

SANKOSHA CO LTD has a total of 506 patent applications. It increased the IP activity by 42.0%. Its first patent ever was published in 1969. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets electrical machinery and energy, transport and measurement are EMPRIMUS INC, SUNKWANG LIGHTNING PROT TECHNICAL INST INC and INTERMOUNTAIN ELECTRONICS INC.

Patent filings in countries

World map showing SANKOSHA CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ishizaki Makoto 49
#2 Uchikoshi Mitsuyuki 38
#3 Takabe Junichi 35
#4 Uchida Susumu 30
#5 Aikawa Okiyasu 25
#6 Yoneda Minoru 23
#7 Kitano Katsuhiro 16
#8 Ichikawa Kazuo 12
#9 Shigemori Daizo 12
#10 Yamada Yasuharu 12

Latest patents

Publication Filing date Title
JP2020103716A Folding machine of clothing
JP2020079728A Led current consumption measurement method, led disconnection defect detection method and system using the same
JP2020059391A Crossing illumination device
JP2020011638A Present indication control system of traffic signal
JP2019174355A Abnormal vibration generation detection device and acceleration sensor in ground facility for railway
JP2019165543A Thunder resistant transformer
JP2019137995A Coupler for operation member of rolling device
JP2019123359A Crossing gate
JP2019102760A Rack for housing
JP2019098766A Train emergency stop switch
JP2019094586A Sleeve finishing aid of garment
JP2019048523A Alarm sound generating device and alarm sound generating method
JP2019041779A Cover for clothing set table
JP2019030354A Clothing finishing machine
JP2018119939A Auxiliary device for measuring grounding resistance and method for measuring ground resistance using auxiliary device
JP2018064735A Body pad attached to body stand of clothing finishing machine
JP2018061626A Cover to be fitted on body stand of clothing finishing machine
JP2018015096A Garment hanger
JP2018009372A Effective length regulator for changeover operation for tongue rail
JP2017084527A Surge protection device and surge protection system