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NAT JUTAKU KENZAI

Overview
  • Total Patents
    1,250
About

NAT JUTAKU KENZAI has a total of 1,250 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, machines and thermal processes are HAN SHAOLIANG, YI SUN and YONGSHENG HUANG.

Patent filings in countries

World map showing NAT JUTAKU KENZAIs patent filings in countries
# Country Total Patents
#1 Japan 1,250

Patent filings per year

Chart showing NAT JUTAKU KENZAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshida Shigeo 53
#2 Wada Tameyoshi 45
#3 Kikui Takeshi 39
#4 Itou Nobuhiko 37
#5 Suzuki Kazuo 33
#6 Shiozaki Yasushi 32
#7 Fukakura Katsuya 30
#8 Sakami Katsuyasu 30
#9 Murai Tatsurou 30
#10 Takada Taku 28

Latest patents

Publication Filing date Title
JPS57159606A Manufacture of grc panel
JPS57158448A Construction of land roof
JPS57158454A Construction of roof of accessory building
JPS57159607A Manufacture of grc panel
JPS57158452A Formation of rectangular roof
JPS57158455A Construction of roof of accessory building
JPS57158449A Pillar attaching structure
JPS57158453A Roof structure
JPS57158450A Ventilation structure of hat roof
JPS57158451A Concrete construction to deck plate
JPS5736239A KABESHITAMIZUKIRISOCHI
JPS57146605A Method of machining decorative frame wood for building
JPS57146849A Building structure
JPS57148140A Heat accumulator
JPS57148139A Solar heat accumulator
JPS57149198A Cutting conveying device
JPS57146859A Apparatus for fixing foundation reinforcing material
JPS57146847A Brace
JPS57146848A Attachment structure of brace
JPS57146881A Door contact apparatus of opening and closing body