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MITANI SEKISAN KK

Overview
  • Total Patents
    356
  • GoodIP Patent Rank
    49,987
  • Filing trend
    ⇩ 42.0%
About

MITANI SEKISAN KK has a total of 356 patent applications. It decreased the IP activity by 42.0%. Its first patent ever was published in 1982. It filed its patents most often in Japan, China and Republic of Korea. Its main competitors in its focus markets environmental technology, civil engineering and packaging and shipping are ROUSSY RAYMOND J, MOLSNER HERMANN DIETRICH and NIPPON KISO GIJUTSU KK.

Patent filings in countries

World map showing MITANI SEKISAN KKs patent filings in countries

Patent filings per year

Chart showing MITANI SEKISAN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kitani Yoshinobu 105
#2 Kato Yoichi 52
#3 Watabe Chikao 38
#4 Tatsukuchi Takashi 30
#5 Kanetani Masanori 21
#6 Sato Shigeru 20
#7 Kaido Eimatsu 16
#8 Hashimoto Yuichi 11
#9 Tanaka Kazuo 10
#10 Hashizume Yoshimitsu 10

Latest patents

Publication Filing date Title
JP2019007345A Precast pile
JP2020020184A Connection structure between pile head of ready-made pile and foundation footing
JP2019157434A Excavation rod with deformation detector
JP2019120077A Pile hole drilling rod with mud application tool
JP2019120006A Pile hole excavation head
JP2019082040A Foundation pile construction method on ground containing contaminated soil layer
JP2019044543A Method for injecting solidification agent into excavation hole, and excavation rod
JP2019002204A Pile hole excavation head
JP2018184735A Gutter block
JP2018179408A Installing device for heat exchanging pipe, installation method for heat exchange pipe, and installation jig for heat exchanging pipe
JP2018119385A Sc pile having axial reinforcement, method for manufacturing sc pile having axial reinforcement, and method for exposing axial reinforcement of sc pile
JP2017096095A Method for burying heat exchange pipe for underground heat
JP2018091094A Pile hole drilling head
JP2018053468A Method and system for management of construction result of foundation piles
JP2017002716A Pile hole excavation management method
JP2017223018A Installation method of foundation pile, foundation pile structure, and double precast pile
JP2017133240A Pipe device for heat exchange, existing pile that contains pipe for heat exchange, embedding method of pipe for heat exchange using existing pile
JP2017129288A Method for embedding heat exchange pipes by using precast pile, and support device
JP2017025557A Precast pile with heat exchange pipe
JP2017026167A Heat exchanger device using precast pile and precast pile with heat exchanging pipes