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TOPURA KK

Overview
  • Total Patents
    188
  • GoodIP Patent Rank
    58,834
  • Filing trend
    ⇧ 20.0%
About

TOPURA KK has a total of 188 patent applications. It increased the IP activity by 20.0%. Its first patent ever was published in 1976. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets mechanical elements, machine tools and machines are YAMAHIRO CO LTD, ITW CONSTRUCTION PRODUCTS ITAL and MIYAGAWA KINZOKU KOGYO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Mori Shigeto 35
#2 Akashi Tetsuya 29
#3 Matsuno Mayumi 22
#4 Kudou Norio 15
#5 Horiuchi Naoki 14
#6 Nagoshi Hidekazu 10
#7 Sawanishi Kenju 8
#8 Umada Akihide 8
#9 Ishii Hisao 8
#10 Hara Masahiro 8

Latest patents

Publication Filing date Title
JP2020190279A Male screw member
JP2020133661A screw
JP2018189244A Male screw member
JP2019215047A Male screw member
JP2019190512A Self-tapping screw
JP2019183998A Male screw member
JP2019158037A Fixing structure of stud bolt and fixed plate, and stud bolt
WO2018079137A1 Male thread and thread-fastening structure
JP2018179144A Fixing structure of stud bolt and fixed member, fixing method and stud bolt
JP2018100678A Male screw member
CN106133345A Tapping screw and fastening structure thereof
JP2016156400A External thread member
WO2015098823A1 Tapping screw
WO2015005347A1 Screw component
JP2014005896A Tapping screw
JP2012112403A Loosening prevention screw component
JP2012101247A Method for manufacture fastening component made from aluminum-based alloy, and fastening component made from aluminum-based alloy
JP2009243689A Screw with bit engagement hole, combination of groups of screws with bit engagement holes and driver bits, and geometry setting method for bit engagement hole
JP2010265928A Screw for grounding
JP2010019391A Screw tightening structure by high-strength self-forming screw