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OKUMURA ENGINEERING CORP

Overview
  • Total Patents
    20
About

OKUMURA ENGINEERING CORP has a total of 20 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Japan, United States and Australia. Its main competitors in its focus markets mechanical elements, machines and civil engineering are PUTIAN QINGHUAYUAN ELECTRICAL APPLIANCE DEV CO LTD, LEE MYUNG SANG and BOXY BLIND VALVE CO LTD.

Patent filings in countries

World map showing OKUMURA ENGINEERING CORPs patent filings in countries
# Country Total Patents
#1 Japan 13
#2 United States 3
#3 Australia 1
#4 Hong Kong 1
#5 Malaysia 1
#6 Taiwan 1

Patent filings per year

Chart showing OKUMURA ENGINEERING CORPs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sakuhara Youichi 8
#2 Fukuchi Masaharu 5
#3 Hayashi Kunihei 2
#4 Yoshida Munehisa 2
#5 Kumada Ayako 1
#6 Tamai Motoharu 1
#7 Shimomura Hideyuki 1
#8 Ise Koichi 1
#9 Okazaki Toru 1
#10 Hara Tomio 1

Latest patents

Publication Filing date Title
JP2009287171A Method and device for internally pushing jacking pipe
JP2007023485A Propulsion method for propulsion pipe, and apparatus for the method
JP2004148212A Polluted soil purifying material and purification method using the material
JP2004124460A Friction reducing method of propulsion pipe and its device
JP2004011275A Method of reducing friction of propulsion pipe and device therefor
JP2002303096A Excavation machine and advancing method
JP2002276287A Curved line forming device
JP2001311386A Excavating device and jacking method
JP2001292638A Nursery bed for growing organism, and structure for protecting ground
JP2001289612A Method and instrument for measuring load capacity of carrying ship such as gat ship
JP2001081708A Structure and method for temporarily filling excavated hole for underground pipe
JP2000275083A Method and device for measuring amount of stone load in sand carrier with grab bucket
JPH11247154A Construction of riprap bank for revetment
US5741006A Butterfly valve