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NAOI SEIKI KK

Overview
  • Total Patents
    14
About

NAOI SEIKI KK has a total of 14 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 are DISKUS WERKE FRANKFURT MAIN AG, HH PATENT AS and C M E BLASTING & MINING EQUIPMENT LTD.

Patent filings in countries

World map showing NAOI SEIKI KKs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing NAOI SEIKI KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Top inventors

# Name Total Patents
#1 Naoi Yoshihisa 14

Latest patents

Publication Filing date Title
JP2000296470A Internal grinding wheel and circular workpiece grinding device using same
JP2000229319A Coring machine
JP2000117629A Measuring method and device for inner and outer diameter of circular workpiece
JP2000084847A Optimum grinding pressure and grinding speed adjusting device
JPH10156659A Work piece supplying/recovering device
JPH1076490A Work loader
JPH09174401A Chamfering and outer periphery machining device for work
JPH0966446A Work clamping mechanism for grinding machine
JPS6114849A Automatic multi-step grinding device
JPS618267A Corner grinder for rectangular work
JPS6029274A Mechanism for relative adjustment between grinding wheel and copying wheel diameters in work profile shaping apparatus such as center setting apparatus
JPS6029267A Work bevelling system
JPS59232757A Centering method for automatic centering machine
JPS5981051A Work feeding apparatus for automatic centering machine