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KUROIWA YOICHIRO

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    213,380
  • Filing trend
    ⇩ 100.0%
About

KUROIWA YOICHIRO has a total of 23 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1995. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering are PAUL LIESE, WINSTEEL CO LTD and MAISON METALLIQUE GRAMES.

Patent filings in countries

World map showing KUROIWA YOICHIROs patent filings in countries

Patent filings per year

Chart showing KUROIWA YOICHIROs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Kuroiwa Yoichiro 23
#2 Sugawara Shinichi 4
#3 Adachi Kiyoshi 1

Latest patents

Publication Filing date Title
JP2017201125A Fire door and fire door structure
JP2018141346A Wooden fire door fitting frame and wooden fire door structure
JP2015132094A Flooring material
JP2015052254A Flooring structure
JP2014159693A Panel for sheathing roof board
JP2014043748A Bearing wall structure of wooden house
JP2013245481A Construction method of wooden paulownia panel house and paulownia panel house
JP2011094309A Building method of wooden house and wall panel
JP2011012473A Wooden door
JP2009299454A Soundproof door
JP2006183291A Wooden fire door
JP2006183292A Core and wooden door
JP2006077406A Kiri core and wooden door
JP2005155155A Soundproof door
JP2004232449A Wooden fireproof door
JP2005002661A Wooden fireproof door
JP2004181804A Wooden fireproof plywood
JP2004108081A Wooden fire door
JP2004108082A Wooden fire door
JP2000166706A Bedding