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FUJI VALVE

Overview
  • Total Patents
    1,154
  • GoodIP Patent Rank
    206,712
About

FUJI VALVE has a total of 1,154 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets engines, pumps and turbines, machines and machine tools are ENGEMANN HERBERT H, HENLEY MFG HOLDING and JP SCOPE LLC.

Patent filings per year

Chart showing FUJI VALVEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mori Akiyoshi 89
#2 Kobayashi Haruki 85
#3 Hara Nobuo 79
#4 Hirose Masahito 73
#5 Kanzaki Tatsuo 68
#6 Otsubo Jo 59
#7 Adegawa Makoto 51
#8 Sato Yasuaki 50
#9 Shida Toshimitsu 45
#10 Harada Katsuhiko 45

Latest patents

Publication Filing date Title
US2016279746A1 Method of charging a hollow valve with metallic sodium
JP2013044287A Method and apparatus for manufacturing hollow engine valve
WO2011135676A1 Spring retainer for internal combustion engine and method for manufacturing the same
JP2010112333A Vane type vacuum pump
JP2010112332A Vane type vacuum pump
JP2010101209A Vane type vacuum pump
JP2009180121A Displacement measuring device of engine valve and engine equipped with the same
JP2009052511A Spring retainer for internal combustion engine and its manufacturing method
JP2008115414A Continuous heat-treatment apparatus for press-formed product
JP2006170122A Valve spring retainer for internal combustion engine
JP2006125290A Valve system in internal combustion engine
JP2006125289A Valve spring retainer for internal combustion engine
JP2004326213A Method and system for creating slip
US2003015570A1 Method of joining different metal materials by friction welding
JP2004082151A Method of brazing different metallic materials
JP2004068634A Valve system for internal combustion engine and its mounting method on engine valve
JP2004060616A Valve system for internal combustion engine and method of assembling and disassembling the same on and from engine valve
JP2004027978A Collection of variable valve components for internal combustion engine and its assembling method to cylinder head
JP2003326326A Press unit
JP2003311437A Friction welding equipment