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NIPPON DENKO

Overview
  • Total Patents
    219
  • GoodIP Patent Rank
    176,372
  • Filing trend
    ⇩ 25.0%
About

NIPPON DENKO has a total of 219 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 1968. It filed its patents most often in Japan, China and United States. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are ECODEVICE LAB CO LTD, CRENOX GMBH and LIU ZHENYI.

Patent filings per year

Chart showing NIPPON DENKOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayakawa Satoshi 27
#2 Hosoi Tatsuya 15
#3 Kitani Hitonori 14
#4 Itoh Tomoharu 11
#5 Kizu Yoshihiro 11
#6 Maekawa Takaharu 10
#7 Kikuchi Takahiko 10
#8 Okamoto Kenji 9
#9 Imazu Hideyuki 9
#10 Miyauchi Yoshihiro 9

Latest patents

Publication Filing date Title
CN111372893A Oxygen absorbing/desorbing material, catalyst, exhaust gas purification system, and exhaust gas treatment method
EP3409646A1 Ceria-zirconia-based composite oxide oxygen storage material, exhaust gas cleaning catalyst, and honeycomb structure for exhaust gas cleaning
WO2016084441A1 Process for producing vanadium-dioxide-based heat-storage material
EP3006404A1 Ceria-zirconia mixed oxide and method for producing same
JP2010231925A Method of collecting valuable resource of manganese lithium-ion secondary battery, and device therefor
JP2010212078A Positive electrode material for lithium secondary battery, method of manufacturing the same, and secondary battery
JP2009293112A Pretreatment method of chelate resin for prolonging life of operation bath for trivalent chromium chemical conversion coating treatment
JP2008156163A Spinel type lithium manganese oxide and method for manufacturing the same
JP2008156162A Method for manufacturing dimanganese trioxide having so4 concentration of <=0.6% by mass
JP2008150264A Ceria-zirconia-based compound oxide and its manufacturing method
JP2007331961A Method for producing chromium chloride solution and chromium chloride solution for surface treatment
JP2007238371A Apparatus and method for manufacturing boron oxide
JP2007204352A Method for producing chromium phosphate solution for surface treatment
JP2007127346A Cleaner for electric furnace by-product gas
JP2005296953A Treating device for waste water containing boron and treating method therefor
JP2007015898A Method for manufacturing zirconium oxide powder and zirconium oxide powder
JP2006316107A Composite ultraviolet blocking agent, cosmetic and resin composition
JP2006161079A Method for producing manganese ferroalloy from by-product slag
JP2006082048A Method and apparatus for producing high-purity ion-exchanged water
JP2006082998A Zirconium oxide powder and production method for the same