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YANTAI ZHENGHAI MAGNETIC MAT CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    46,150
  • Filing trend
    ⇩ 86.0%
About

YANTAI ZHENGHAI MAGNETIC MAT CO LTD has a total of 34 patent applications. It decreased the IP activity by 86.0%. Its first patent ever was published in 2014. It filed its patents most often in China, United States and Japan. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and surface technology and coating are MAGNEQUENCH INTERNATIONAL INC, OZEKI IZUMI and SAGAWA MASATO.

Patent filings in countries

World map showing YANTAI ZHENGHAI MAGNETIC MAT CO LTDs patent filings in countries

Patent filings per year

Chart showing YANTAI ZHENGHAI MAGNETIC MAT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yu Yongjiang 12
#2 Wei Rui 12
#3 Liu Lei 8
#4 Li Zhiqiang 8
#5 Zhao Nan 7
#6 Wang Qingkai 6
#7 Li Dongdong 6
#8 Sun Xiuyan 6
#9 Geng Guoqiang 5
#10 Shi Bingqiang 5

Latest patents

Publication Filing date Title
CN112193826A Equipment for automatically loading magnetic steel into circular hanging tool
CN111968818A Neodymium-iron-boron permanent magnet and preparation method and application thereof
CN112017855A Anisotropic oriented magnet and manufacturing method and application thereof
CN111653404A Neodymium-iron-boron magnet and preparation method and application thereof
CN111653403A High-resistivity sintered R-Fe-B permanent magnet and preparation method thereof
CN111055179A Rectangular sheet overturning mechanism, surface machining production line and machining method of rectangular sheet overturning mechanism
CN110993312A Method for reducing irreversible loss of sintered neodymium-iron-boron sheet magnet and improving use temperature of sintered neodymium-iron-boron sheet magnet
CN110643989A Surface anticorrosion treatment method for neodymium iron boron magnet
CN110890798A Permanent magnet and permanent magnet motor
CN109136864A A method of in magnet steel surface vacuum coated with aluminum tin composite coating
CN107578912A A kind of preparation method of the neodymium iron boron magnetic body with high-coercive force
CN107147228A The preparation method and rotor for electromotor of a kind of Sintered NdFeB magnet
CN107026003A A kind of preparation method of Sintered NdFeB magnet
CN106830419A A kind of Zero-discharge reuse handling process of electroplating washing water
CN106653271A Preparation method of high-resistivity rare-earth permanent magnet
CN106158347A A kind of method preparing R Fe B class sintered magnet
CN106328367A Preparing method of R-Fe-B line sintering magnet
CN106298135A A kind of manufacture method of R Fe B class sintered magnet
CN106011822A Neodymium iron boron magnetic material phosphating solution
CN106205924A A kind of preparation method of high-performance neodymium-iron-boron magnet