Learn more

WATANABEGUMI KK

Overview
  • Total Patents
    42
About

WATANABEGUMI KK has a total of 42 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, packaging and shipping and measurement are EE P S KK, GUANGDONG XINHUI CIMC SPECIAL TRANSP EQUIPMENTS CO and ISHIYAMA MISO SHOYU KK.

Patent filings in countries

World map showing WATANABEGUMI KKs patent filings in countries
# Country Total Patents
#1 Japan 42

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Watanabe Muneyuki 14
#2 Watanabe Tadao 6
#3 Umada Sunao 5
#4 Watanabe Tadayasu 4
#5 Saito Takeshi 4
#6 Uno Shinichi 4
#7 Kanayama Ryuji 4
#8 Watanabe Akira 2
#9 Sofue Suematsu 2
#10 Hayashi Tsutomu 2

Latest patents

Publication Filing date Title
JP2007191962A Construction method of concrete structural body
JP2005305566A Concrete chipping machine
JP2005262421A Concrete chipping machine
JP2005262420A Concrete chipping machine
JP2003239687A Drainage structure of shaft in pipe jacking method
JP2003136490A Concrete chipping device
JP2003119707A Paving method using material containing shells, and pavement body
JP2002013884A Heating device
JP2002229425A Learning support system, learning support method, computer readable recording medium with learning support program recorded thereon, and program for realizing learning support
JP2002061491A Method for starting excavator for pipe jacking method
JP2002039473A Pipe fitting and piping unit
JP2001227283A Boring machine for boring construction method, and starting method therefor
JP2000346214A Balloon valve
JP2000248504A Wood pavement
JP2000145366A Base pushing device
JP2000120175A Operational prefabricated house construction
JPH11315693A Excavator for shield excavation construction method and starting method therefor
JPH11286903A Heating device
JPH11141276A Bogie for slurry pipe and slurry pipe mounting and dismounting method
JPH10276270A Telephone set