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YAMASAN KK

Overview
  • Total Patents
    28
About

YAMASAN KK has a total of 28 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, civil engineering and mechanical elements are LE OTDEL V PROEKT IZYSKATEL, ISHIZUKA OTOKICHI and VNII GIDROTEKH.

Patent filings in countries

World map showing YAMASAN KKs patent filings in countries
# Country Total Patents
#1 Japan 28

Patent filings per year

Chart showing YAMASAN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yokoyama Yasuhiko 22
#2 Choo Rinhon 1
#3 Miyamoto Junichiro 1
#4 Nakahara Tetsuya 1
#5 Nakahara Itsuro 1
#6 Furuya Jiyunzou 1
#7 Sasaki Yasoji 1
#8 Nakahara Tomoaki 1
#9 Inoue Hiroshige 1
#10 Nagamitsu Hideo 1

Latest patents

Publication Filing date Title
JP2011156786A Yarn ball forming implement and yarn ball forming method
JP2010026922A Coin discriminator and money box
JP2003340407A Method and apparatus for treating spent film-embedded glass
JPH11303152A Environmentally-friendly method for taking in river surface water and automatic regenerating type water intake strainer
JPH10330403A New clathrate, its use and resin composition
JPH1060956A Surface water intake method in swift-stream river
JPH07222873A Ornament with movable symbolic figure and the symbolic figure
JPH07180193A Construction method for obtaining surface water from river, having intake strainer and automatic device for reversely flushing it from inside
JPH07150598A River surface flowing water intake construction method by combining fishway
JPH05247916A Construction of headrace channel in river channel combining small-scale falling work
JPH03172419A Reutilized water intake system
JPH03156016A Water intake device with traction nozzle
JPH0338210A Suction cycle strainer
JPS63283712A Rotary strainer for suction pipe
JPS63114715A Dust-removing and filtering intake device for surface flowing water in river
JPS6283060A Liquid multi-cyclone apparatus by vertical vortex flow plate
JPS6290426A Method and apparatus for filtration and intake of surface flowing water in slow-flow river
JPS6290425A Method and apparatus for filtration and intake of surface flowing water of river
JPS6051214A Water-intake method for surface water and underflow water of river
JPS6051212A Construction method for placing bed of rubber shutter gate bladder for concrete prefab form aqueduct