Learn more

TOMEN KENKI KK

Overview
  • Total Patents
    12
About

TOMEN KENKI KK has a total of 12 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are AMETECH JIANGSU HEAVY INDUSTRY TECH CO LTD, BOOMSTRA GIJSBERTUS J W and NEILL JOHN O.

Patent filings in countries

World map showing TOMEN KENKI KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing TOMEN KENKI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Dredging

Top inventors

# Name Total Patents
#1 Sawaki Akira 7
#2 Hoshino Hideo 3
#3 Kitanaka Katsumi 2
#4 Matsuzaki Koji 1
#5 Sekiguchi Takahiro 1
#6 Inoue Hajime 1
#7 Tanii Masaharu 1
#8 Nishida Eizo 1
#9 Yano Akira 1

Latest patents

Publication Filing date Title
JP2000197802A Filter press apparatus
JP2000192781A Messer connecting structure for messer shield machine
JP2000079400A Thickner method and apparatus for raw concrete wastewater
JPH1122381A Hydraulic cutting for open shield machine
JPH10266781A Messer shield machine
JPH10231687A Open pit method
JPH09256782A Mesail shield machine
JPH09228777A Mesail shield machine
JPH0932478A Messer shield machine
JPH0921141A Construction of undersea or under-river tunnel
JPH07180154A Endless chain cutter of underground continuous wall excavator
JPH07173835A Excavator for underground continuous wall