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YOSHIKA ENG KK

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    35,918
  • Filing trend
    ⇩ 58.0%
About

YOSHIKA ENG KK has a total of 45 patent applications. It decreased the IP activity by 58.0%. Its first patent ever was published in 2011. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and thermal processes are ZHANGJIAGANG UNIVERSITY, BLINCHEVSKIJ ILYA M and HARASHIMA JUNKO.

Patent filings in countries

World map showing YOSHIKA ENG KKs patent filings in countries
# Country Total Patents
#1 Japan 45

Patent filings per year

Chart showing YOSHIKA ENG KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Cho Mitsuyoshi 45
#2 Ooka Shinkichi 42
#3 Ooka Taro 8
#4 Kitajima Hisashi 4
#5 Matsumoto Takao 3
#6 Ooka Nobuyoshi 2
#7 Taguma Akira 2
#8 Osawa Terumasa 1
#9 Sekino Isamu 1
#10 Yamamoto Katsutoshi 1

Latest patents

Publication Filing date Title
JP2020097880A Road surface heating system
JP2020196153A Existing pipe repair system and existing pipe repair method
JP2020159640A Ice making system, ice making method, and pipeline cleaning method using sherbet-like fluid generated by ice making system
JP2020117983A Slope protection structure and slope protection method
JP2020082408A Repairing method for existing pipe and repairing system for existing pipe
JP2020023122A Manhole repair method and manhole repair system
JP2020023068A Partial repair method of existing pipe, and partial repair system for executing partial repair method
JP2019178552A Sloped face stabilization structure
JP2019132573A Heat exchange pipe, heat exchange mat equipped with heat exchange pipe, heat exchange system equipped with heat exchange pipe, and manufacturing method of heat exchange mat
JP2019094959A Diameter expanding device and elastic sleeve installation method
JP2019085700A Load transmission part structure from anchor to pressure receiving plate
JP2019038128A Method of repairing sewage main tube and repair structure
JP2019025372A Pipeline cleaning method and pipeline cleaning system
JP2019007154A Method of protecting slope having existing slope frame and system of protecting slope
JP2018204191A Pressure plate set and slope protection method using the same
JP2018199900A Snow-melting system
JP2017132269A Light irradiation device and method for maintenance of existing tube using the light irradiation device
JP2018189411A Leak detection method and leak detector
JP2018155280A Repair structure of existing pipe conduit and repair member
JP2018131806A Slope protection system