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HITACHI ELECTRONIC DEVICES CO

Overview
  • Total Patents
    38
About

HITACHI ELECTRONIC DEVICES CO has a total of 38 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Republic of Korea, Japan and United States. Its main competitors in its focus markets electrical machinery and energy, optics and audio-visual technology are F O B GMBH GES ZUR FERTIGUNG F, CHO GUANG SUP and KWANG WOON DISPLAY TECHNOLOGY.

Patent filings in countries

World map showing HITACHI ELECTRONIC DEVICES COs patent filings in countries
# Country Total Patents
#1 Republic of Korea 20
#2 Japan 9
#3 United States 7
#4 Malaysia 1
#5 Singapore 1

Patent filings per year

Chart showing HITACHI ELECTRONIC DEVICES COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamura Hisao 5
#2 Nishiyama Seiichi 5
#3 Miyamoto Satoru 5
#4 Takeda Yoshiharu 5
#5 Tsuruoka Atsushi 5
#6 Tanaka Yasuo 4
#7 Takaku Shigetake 4
#8 Mera Takeshi 4
#9 Miyawaki Toshitsugu 3
#10 Hagiwara Koji 3

Latest patents

Publication Filing date Title
JP2002352749A Projection-type cathode-ray tube having different diameter necks
US6956556B2 Liquid crystal display device having an improved backlight
JP2002244118A Liquid crystal display
KR20020062485A Cathod Ray Tube
JP2002190400A Microwave apparatus and controlling method therefor
JP2002124196A Magnetron and processing device using it
JP2002072205A Liquid crystal display device
KR20010091492A Cathode ray tube
KR20010087865A Cathode ray tube having upf type electron gun
JP2001250490A Cathode ray tube
KR20010084815A Cathode ray tube having an internal voltage-dividing resistor
KR20010084814A Cathode ray tube having an internal voltage­dividing resistor
JP2001155659A Cathode ray tube
JP2000275623A Liquid crystal display device
JP2000228281A Microwave heating apparatus