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CASTLE SANGYO KK

Overview
  • Total Patents
    19
About

CASTLE SANGYO KK has a total of 19 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets chemical engineering, environmental technology and thermal processes are BRESTSKIJ INZH STR I, CAMFIL AB and AMERICAN AIR FILTER COMPANY INC.

Patent filings in countries

World map showing CASTLE SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

Chart showing CASTLE SANGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Kenji 13
#2 Sugihara Katsutoshi 4
#3 Yasuda Tomio 1
#4 Hama Yasuhiro 1

Latest patents

Publication Filing date Title
JP2001193980A Mounting apparatus for filter member to exhaust port
JPH1038340A Filter mounted on exhaust opening
JPH1023993A Toilet seat for western style toilet bowl
JPH09285378A Food container
JPH0989322A Ventilation fan cover device of freely assemblable frame type
JPH0960637A Adhesive disk with dirt preventive mechanism
JPH08270997A Ventilating fan cover device
JPH08152166A Filter-installing method and filter device
JPH08136024A Filter apparatus for ventilation fan
JPH07222668A Magnetic attraction holder
JPH06249479A Filter fitting method to ventilation fan or range hood
JPH06213194A Fitting method for ventilation fan filter
JPH0674506A Supporting frame for filter fixed to ventilation fan or range hood
JPH0515715A Filter material for ventilating fan, oven hood, etc.
JPH05139448A Method for securing object such as container to wall surface of magnetic substance
JPH03229608A Method for fixing air outlet cover
JPH02290212A Filter device adaptable for air intake opening for ventilation fan or the like
JPS63242262A Disposal of syringe by sealing
JPS61279514A Disposal of magnetic tape