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YAMASHITA JIYOUJI

Overview
  • Total Patents
    24
About

YAMASHITA JIYOUJI has a total of 24 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are BLACK WHIRLWIND ENGINEERING MACHINERY DEV CO LTD, OKA MASATAKA and KISHIDA HIDEAKI.

Patent filings in countries

World map showing YAMASHITA JIYOUJIs patent filings in countries
# Country Total Patents
#1 Japan 24

Patent filings per year

Chart showing YAMASHITA JIYOUJIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Yamashita Masako 18
#2 Yamashita Jiyouji 5
#3 Suzuki Hisaaki 1

Latest patents

Publication Filing date Title
JPS60236708A Manufacture of concrete molded board
JPS60129326A Coupling metal for building concrete wall body
JPS60101008A Manufacture of concrete molded board
JPS6070272A Connector of mold frame for constructing concrete wall
JPS59161558A Connector for constructing concrete wall
JPS58153842A Connector for constructing concrete wall
JPS58153843A Construction of wall body
JPS58153859A Construction of concrete wall
JPS58127837A Construction of concrete wall
JPS58123945A Construction of concrete wall
JPS58123946A Construction of concrete wall
JPS57184149A Base fixing method of inner and outer molded plates for wall construction
JPS57184150A Outer wall construction of externally heat insulating type building
JPS57108327A Construction of retaining wall
JPS5756205A Method of preventing fracture in case of breaking working of concrete block
JPS5744046A Erection of concrete wall
JPS5734910A Saw-toothed plate edge for working concrete surface
JPS5727817A Concrete block posture and arrangement converter
JPS5625405A Method of working surface of concreteeblock
JPS55139210A Multiple edge tool