TOA GROUT KOGYO CO has a total of 183 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, mechanical elements and machines are CELLER MASCHF GEB, DIMITROFF TED R and MAJUS LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 145 | |
#2 | United States | 6 | |
#3 | EPO (European Patent Office) | 5 | |
#4 | Germany | 3 | |
#5 | France | 3 | |
#6 | Republic of Korea | 3 | |
#7 | Netherlands | 3 | |
#8 | WIPO (World Intellectual Property Organization) | 3 | |
#9 | Australia | 2 | |
#10 | Canada | 2 | |
#11 | Finland | 2 | |
#12 | United Kingdom | 2 | |
#13 | Italy | 2 | |
#14 | Norway | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Mechanical elements | |
#3 | Machines | |
#4 | Measurement | |
#5 | Electrical machinery and energy | |
#6 | Optics |
# | Technology | |
---|---|---|
#1 | Pipes | |
#2 | Foundations and excavations | |
#3 | Earth drilling | |
#4 | Shaping of plastics | |
#5 | Unspecified technologies | |
#6 | Installation of electric cables | |
#7 | Measuring distances | |
#8 | Sewers | |
#9 | Analysing materials | |
#10 | Optical systems |
# | Name | Total Patents |
---|---|---|
#1 | Ooka Shinkichi | 90 |
#2 | Kitajima Hisashi | 64 |
#3 | Sano Sakae | 41 |
#4 | Cho Mitsuyoshi | 35 |
#5 | Ooka Yuzo | 14 |
#6 | Ooka Nobuyoshi | 14 |
#7 | Iimori Hiroshi | 14 |
#8 | Oooka Shinkichi | 12 |
#9 | Nishio Akira | 10 |
#10 | Nishio Tadashi | 9 |
Publication | Filing date | Title |
---|---|---|
JP2020026650A | Sand control dam subbank | |
JP2020012248A | Slope stabilization structure and slope stabilization method | |
JP2019218723A | Sand control dam | |
JP2019027077A | Rock fall protective fence | |
JP2018115420A | Guard fence | |
JP2018021333A | Erosion control dam | |
JP2017198296A | Capture member | |
JP2017179851A | Flying-thing protective barrier | |
JP2017179850A | Flying-thing protective barrier | |
JP2016176307A | Snow melting pipe cleaning method and closing tool for use in the same | |
JP2016037773A | Wire net | |
JP2015186898A | Water cutoff method of pipeline | |
JP2015175449A | Partial repairing method for existing pipe | |
JP2015124566A | Floatation preventive method of manhole | |
JP2015123399A | Duct cleaning device | |
JP2015080745A | Pipeline cleaning method | |
JP2014156766A | Floatation prevention structure and method of manhole | |
JP2013159895A | Disaster prevention system for tsunami | |
JP2013147874A | Reinforcing structure of tubular body | |
JP2013040477A | Connection structure of sewer pipe and intermediate structure |