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SEIWA PRO CO LTD

Overview
  • Total Patents
    31
About

SEIWA PRO CO LTD has a total of 31 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, environmental technology and medical technology are FIDICA GMBH & CO KG, CHONGQING NATURE ENZE ENVIRONMENTAL PROTECTION TECH CO LTD and SUZHOU RONG NENG ENVIRONMENTAL PROTECTION TECH CO LTD.

Patent filings per year

Chart showing SEIWA PRO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okuda Masaaki 18
#2 Sugimoto Takeshi 11
#3 Ito Sukenori 6
#4 Yamamoto Toshio 4
#5 Azuma Kiyohiro 3
#6 Kanda Kiyomi 2
#7 Masaaki Ito Sukenori Okuda 1
#8 Morita Michio 1
#9 Kiyohiro Okuda Masaaki Azuma 1

Latest patents

Publication Filing date Title
KR20070064724A Oil separator
US2006292266A1 Functional Water and Method and System for Its Production
WO2007057955A1 Oily water separator
KR20070044565A Functional water, method, and apparatus for manufacturing the same
KR20060025510A Apparatus for dissolving gas
KR20070005694A Device for fusing injection needle
WO2005102244A1 Device for fusing injection needle
AU2003261947A1 Syringe needle melting apparatus
KR20050016926A Apparatus for processing used injection needle
EP1336436A1 Washing system for drain pipe inside mobile frame
EP1378492A1 Remover for scale deposited on titanium material
US6484736B1 Method and apparatus for cleaning drainpipes in movable equipment