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NAKAYA KEIJI

Overview
  • Total Patents
    20
About

NAKAYA KEIJI has a total of 20 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are NOVOKRAMATORSK MACH BUILDING, ANHUI NUOYANG POULTRY INDUSTRY CO LTD and MA ZONGYING.

Patent filings in countries

World map showing NAKAYA KEIJIs patent filings in countries
# Country Total Patents
#1 Japan 20

Patent filings per year

Chart showing NAKAYA KEIJIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Nakaya Keiji 19
#2 Nakaya Keiichi 2

Latest patents

Publication Filing date Title
JP2012061392A Method for treating aluminum waste
JP2011249687A Laminate sheet-like article cleaning method
JP2006297199A Sealed treatment apparatus
JP2006136831A Sealed solvent treatment apparatus and sealed solvent treatment method
JP2005236178A Polishing/cleaning method with slurry of volatile material
JP2004041822A Method of dewatering object to be treated wetted with water
JP2000300240A Smoking article emitting no smoke
JP2000262959A Method for forming uniform coating film layer
JPH11197583A Solvent treating hermetic device
JPH10118554A Tight closed treating device
JPH10118587A Tightly closed treating method
JPH09313803A Method for purifying contaminated solvent
JPH09187743A Vapor cleaning method for material to be cleaned in container
JPH09141218A Cleaning vessel incorporated with spiral railway
JPH0861855A Drying method and drying device in cleaning apparatus
JPH0854184A Method and apparatus for drying closed-type washer
JPH0839021A Method and device for cleaning
JPH0839022A Method and device for vapor cleaning
JPH0747338A Cleaning method and device therefor
JPH03229681A Washing method and apparatus