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NIPPON LEAKLESS CORP

Overview
  • Total Patents
    64
  • GoodIP Patent Rank
    180,528
  • Filing trend
    0.0%
About

NIPPON LEAKLESS CORP has a total of 64 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1995. It filed its patents most often in Japan and China. Its main competitors in its focus markets mechanical elements, surface technology and coating and machines are NIPPON LEAKLESS IND CO LTD, FLEXITALLIC LTD and ELRINGKLINGER GMBH.

Patent filings in countries

World map showing NIPPON LEAKLESS CORPs patent filings in countries
# Country Total Patents
#1 Japan 61
#2 China 3

Patent filings per year

Chart showing NIPPON LEAKLESS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Murakami Yasunori 17
#2 Hirayama Shinichi 13
#3 Tabata Katsumune 13
#4 Matsushita Yoshitaka 12
#5 Hamada Yoshiaki 10
#6 Kurashina Yoshimichi 10
#7 Katsurai Takashi 9
#8 Akiyoshi Koji 8
#9 Takahashi Yuji 7
#10 Yajima Takashi 7

Latest patents

Publication Filing date Title
JP2020159497A Metal gasket
JP2020085226A Metallic gasket
JP2019158115A Metal gasket
JP2019019974A Ring gasket for exhaust gas seal
JP2018135823A Metal gasket
JP2016169797A Metal gasket material plate and manufacturing method thereof
JP2015169290A metal gasket
JP2014119075A Metal gasket
JP2014047900A Metal gasket
JP2012246989A Metal gasket
JP2011169452A Method for manufacturing metal gasket for cylinder head, and metal gasket for cylinder head
JP2010203379A Metal gasket for cylinder head
JP2009133489A Metal gasket for cylinder head
JP2009281524A Gasket material
JP2009062934A Metallic gasket
JP2008267356A Mounting structure for exhaust system ball joint gasket
JP2008164122A Metal gasket material plate and its manufacturing method
JP2007120350A Metal gasket for cylinder head
JP2007064449A Laminated metal gasket for cylinder head
JP2006125312A Metal gasket for cylinder head