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YAMAMOTO KOGYO

Overview
  • Total Patents
    22
About

YAMAMOTO KOGYO has a total of 22 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan and Germany. Its main competitors in its focus markets environmental technology, civil engineering and chemical engineering are ZHURBA MIKHAIL G, YOSHIKAWA SHIRO and MARUSEI HEAVY INDUSTRY WORKS L.

Patent filings in countries

World map showing YAMAMOTO KOGYOs patent filings in countries
# Country Total Patents
#1 Japan 21
#2 Germany 1

Patent filings per year

Chart showing YAMAMOTO KOGYOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Kaoru 5
#2 Yamamoto Kimiyoshi 4
#3 Yamamoto Rokuro 4
#4 Iwano Haruji 3
#5 Ito Takaaki 2
#6 Yamamoto Kazuhisa 2
#7 Togawa Yoshiaki 1
#8 Bau Toshio 1
#9 Senda Tomizo 1
#10 Tanaka Minoru 1

Latest patents

Publication Filing date Title
JP2013179240A Fixed type wiper for photo sensor
JP2013179815A Power supply system
JP2013089941A Sunlight tracking motor-driven cradle
JP2013036195A Side ditch block
JP2010012153A Restaurant system
JP2007044058A Sports shoes
JP2000157974A Scum removing device of sewage treating tank
JP2000117006A Sludge recovering device for sewage treating vessel
JPH1132895A Tufted mat
JPH1110661A Mat manufacturing apparatus
JPH08333001A Variable dust box for outdoor installation
JPH08324680A Sewage purifier
JPH07305373A Attachment changing device of machine for civil engineering work
JPH06247526A Meandering correcting device for belt running device
JPH06246111A Filter cloth belt type dehydrator
JPH0655012A Rotary drum type dehydration device
JPH05212734A Method and apparatus for molding fiber reinforced plastic molded product and method and apparatus for producing molding material
JPH05177730A Manufacturing device for frp profile tube
JPH05104645A Producing apparatus for frp profile pipe
JPS5948516A Soil improvement work