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KOKUBU & CO LTD

Overview
  • Total Patents
    13
About

KOKUBU & CO LTD has a total of 13 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan. Its main competitors in its focus markets machine tools and mechanical elements are RUBERY OWEN FASTENERS LTD, INDUSTRIAL FASTENERS CORP and SCHUMACHER WILHELM KG.

Patent filings in countries

World map showing KOKUBU & CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing KOKUBU & CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Nails
#2 Making screws

Top inventors

# Name Total Patents
#1 Oba Noboru 10
#2 Nakamura Kazuya 2
#3 Ito Katsuo 2
#4 Kanamori Takeshi 1
#5 Sumiya Kaoru 1
#6 Saito Yoshimitsu 1
#7 Sugawara Toshinori 1
#8 Kinoshita Ryoko 1
#9 Oba Yasuhiro 1

Latest patents

Publication Filing date Title
JP2012077884A Screw at cutting blade end
JP2000065026A Manufacture of rice ball-shaped triangular thread and rice ball-shaped triangular screw
JPH10148209A Screw
JPH09308560A Pillow
JPH08135025A Insert for deck plate
JPH0886306A Locking screw
JPH07328946A Screw jack for power tool
JPH0780781A Jig for nailing
JPH06341417A Nail
JPH06323313A Nail
JPH0681821A Nail
JPH062706A Drill screw for very thick plate
JPS5988038A Production of breads