Learn more

NITTAN VALVA

Overview
  • Total Patents
    465
  • GoodIP Patent Rank
    9,780
  • Filing trend
    ⇧ 100.0%
About

NITTAN VALVA has a total of 465 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1969. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and China. Its main competitors in its focus markets engines, pumps and turbines, machine tools and mechanical elements are KOLBENSCHMIDT PIERBURG INNOVATIONS GMBH, TRW DEUTSCHLAND GMBH and MOTOMAK.

Patent filings per year

Chart showing NITTAN VALVAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kameda Michihiro 95
#2 Niiro Masaaki 47
#3 Homma Koichi 39
#4 Nagado Masayasu 35
#5 Kurahashi Kazunori 30
#6 Kubota Yukio 30
#7 Mikami Maiku 26
#8 Tsuneishi Osamu 21
#9 Makino Yosuke 20
#10 Okamura Yuji 20

Latest patents

Publication Filing date Title
WO2021024312A1 Reduction gear
WO2021019669A1 Electric power steering device
WO2021019670A1 Electric power steering device
WO2020225865A1 Structure for assembling rolling roller to piston rod
WO2020100185A1 Method for manufacturing engine poppet valve
WO2020084749A1 Method of manufacturing intermediate product with engine valve boss portion
USRE47823E Direct-acting valve lifter of internal combustion engine
EP3779143A1 Waste gate valve
CN110914520A Hollow lift valve for exhaust
WO2019167260A1 Valve for internal combustion engines
JP2019119019A Shaft production method
KR20200066621A Double row ball bearing and its manufacturing method
EP3564505A1 Waste gate valve
CN109922911A Processing unit (plant), the application method of processing unit (plant) and chuck device
KR20190040327A Cylinder head and engine
WO2018029812A1 Friction welding method and friction welding device
JP2018012124A Manufacturing method of shaft
WO2017216946A1 Mechanical lash adjuster
WO2017183149A1 Variable phase device for vehicular engine
JP2017166300A Closing device of doorway opening-closing body