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OTA YASUMI

Overview
  • Total Patents
    74
About

OTA YASUMI has a total of 74 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan and Taiwan. Its main competitors in its focus markets civil engineering are PYRAMIS METALLURG SA, CHEN XIANXIANG and KING ANTHONY J.

Patent filings in countries

World map showing OTA YASUMIs patent filings in countries
# Country Total Patents
#1 Japan 73
#2 Taiwan 1

Patent filings per year

Chart showing OTA YASUMIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Ota Yasumi 58
#2 Ishigaki Masaki 17
#3 Ito Hirotaka 14
#4 Mizutani Soro 3
#5 Ota Shinichi 2
#6 Kobayashi Masaya 1
#7 Kawase Toshiyuki 1

Latest patents

Publication Filing date Title
JP2006307543A Trap
JP2006307541A Operation part of remote controllable drain plug device for bathtub
JP2006307544A Thrust lock mechanism for operation of drain plug device
JP2006307542A Sealant for release wire of drain plug device
JP2006125177A Drain cock device release
JP2006183422A Release for remote control, and drain plug device equipped therewith
JP2006183423A Drain plug device
JP2006144363A Drain piping structure
JP2006095204A Drain stopper structure
JP2006063570A Connecting structure of drain plug device
JP2006064031A Nut
JP2005290737A Porous cover for remote controlled drain plug
JP2005290738A Bathtub drain plug structure
JP2005188699A Packing
JP2005133473A Drain plug device for wash basin, sink, and the like
JP2005133331A Remote operation type drain plug device
JP2004124696A Drain plug structure for bathtub
JP2004300763A Drainage connection structure for bathtub
JP2004278001A Connection structure of plumbing system and pipe trap making use the same and s-trap
JP2004183227A Drainage structure such as wash-basin, sink or the like