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CROWN SEIMITSU KOGYO KK

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    230,988
About

CROWN SEIMITSU KOGYO KK has a total of 14 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets mechanical elements, machine tools and machines are PRATT JOHN D, OLYMPIC MFG GROUP INC and MONOGRAM AEROSPACE FASTENERS INC.

Patent filings in countries

World map showing CROWN SEIMITSU KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing CROWN SEIMITSU KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sugiyama Ichiro 9
#2 Ogawa Nobuhiro 3
#3 Ishii Kenichi 2
#4 Nojigawa Terufumi 2
#5 Nakaizumi Tsutomu 2
#6 Yokoyama Naoki 2
#7 Arahata Akira 1
#8 Chiba Kazuyuki 1
#9 Tomita Shigeru 1
#10 Matsuda Masanobu 1

Latest patents

Publication Filing date Title
JP2016161043A Self-tapping screw and manufacturing method thereof
JP2010091087A Structure of cross-shaped groove of screw for fit of driver bit
JP2007187189A Screw fastening structure and screw fastening method in thin metal plate
JP2007132398A Threaded fastener, manufacturing method of male threaded fastener and rolled dies
JP2004052790A Fastening structure for self-tapping screw and structure of push rod of brake applying cylinder in brake device of vehicle using the tapping screw fastening structure
JPH11190320A Self-spot facing screw
JPH11141521A Self tap screw
JPH10306810A Anchor member
JPH05240233A Under caulking stud screw
JPH05133411A Self-spot facing screw
JPH02304268A Pressure-fit plug for fluid filling hole of pressure vessel
JPS6224010A Screwing structure in thin metallic plate
JPS61136010A Non-tapping clamping screw for thin metallic plate
JPS6138209A Tapping screw for metallic plate with lower hole