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NINGBO PERMANENT MAGNETICS CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    177,275
  • Filing trend
    ⇩ 100.0%
About

NINGBO PERMANENT MAGNETICS CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy and materials and metallurgy are NINGBO HONGLEI MAGNETICS CO LTD, SANEI KASEI CO LTD and KAWASAKI TEITOKU CO LTD.

Patent filings in countries

World map showing NINGBO PERMANENT MAGNETICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing NINGBO PERMANENT MAGNETICS CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Zhou Hongbo 11
#2 Ren Chunde 11
#3 Li Jianzhong 9
#4 Jin Weiyang 7
#5 Ren Hefen 5
#6 Song Xiaoming 4
#7 Tang Guocai 4
#8 Jin Dongjie 4
#9 Shao Haiqin 3
#10 Wang Hao 2

Latest patents

Publication Filing date Title
CN111834118A Method for improving coercive force of sintered neodymium-iron-boron magnet and sintered neodymium-iron-boron magnet
CN110060833A A kind of high remanent magnetism, high-coercive force R-T-B permanent-magnet material and preparation method thereof
CN107492431A A kind of method for improving rare earth permanent magnet sintered NdFeB magnetic declination
CN106298219A A kind of method and device preparing R T B rare-earth permanent magnet
CN106128678A A kind of method preparing R T B rare-earth permanent magnet
CN106024243A Dispersion method for sintering neodymium-iron-boron powder and sintered neodymium-iron-boron magnet
CN104966608A Manufacturing method for improving squareness of sintered NdFeB magnet and product
CN103990602A Powder-metallurgy blank screening apparatus
CN103700459A Preparation method for improving coercivity of permanent magnet material of sintered neodymium-iron-boron
CN103000363A Partial pressure sintering method for sintering neodymium-iron-boron magnet
CN103111618A Device of neodymium iron boron automatic suppressing orientation forming and method
CN103000325A Anti-oxidation treatment method for sintering nd-fe-b material and antioxidant
CN102994999A Phosphating treatment method for surface of sintered neodymium-iron-boron material
CN101850421A Molding device for NdFeB materials