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HITACHI FERRITE LTD

Overview
  • Total Patents
    160
About

HITACHI FERRITE LTD has a total of 160 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan, United States and Finland. Its main competitors in its focus markets electrical machinery and energy, telecommunications and materials and metallurgy are CIE DES FERRITES ELECTRONIQUES, TOKO CORP and SHENZHEN SUNLORD ELECTRONICS.

Patent filings in countries

World map showing HITACHI FERRITE LTDs patent filings in countries
# Country Total Patents
#1 Japan 157
#2 United States 2
#3 Finland 1

Patent filings per year

Chart showing HITACHI FERRITE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ueda Hitoshi 33
#2 Ikemoto Osamu 19
#3 Tsuboi Takashi 15
#4 Moriyama Yoshiyuki 14
#5 Murakami Toyohiko 14
#6 Ogawa Kyozo 12
#7 Kiguchi Katsuyuki 11
#8 Higuchi Yutaka 11
#9 Ishida Toru 9
#10 Koyuhara Tokukazu 9

Latest patents

Publication Filing date Title
US5618464A Ni ferrite and core made of Ni ferrite for power supplies
JPH07307212A Ni ferrite sintered body and power source core
JPH07211536A Method of manufacturing mn-zn based ferrite
JPH07211535A Method of manufacturing mn-zn based ferrite
JPH08148910A Concentrated constant type circulator
JPH08139384A Method of mounting cylindrical piezoelectric transformer
JPH08125246A Packaging method of piezo-electric transformer
JPH08125247A Method of mounting piezo-electric transformer
JPH08116106A Rosen type piezoelectric transformer and manufacture thereof
JPH08116218A Single balanced mixer
JPH08102604A Non-radioactive dielectric line and method for controlling phase
JPH08107020A Lamination type rf transformer
JPH07131211A Strip line type high frequency component
JPH0851011A Magnetic oxide material
JPH0851012A Magnetic oxide material
JPH0817617A Ni based ferrite core of high permeability and high saturation magnetic flux density and its manufacture
JPH088613A Concentrated constant type isolator and circulator
JPH07335449A Coil part
JPH07321559A Mixer
JPH07257966A Ni-containing low loss ferrite for power source