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HITACHI ELECTRONICS

Overview
  • Total Patents
    5,174
About

HITACHI ELECTRONICS has a total of 5,174 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology, telecommunications and digital networks are MASTUSHITA ELECTRIC IND CO LTD, SONY CORP and TELEFUNKEN FERNSEH & RUNDFUNK.

Patent filings in countries

World map showing HITACHI ELECTRONICSs patent filings in countries

Patent filings per year

Chart showing HITACHI ELECTRONICSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miyashita Atsushi 132
#2 Ueda Hirotada 81
#3 Tominaga Kan 77
#4 Murata Norio 71
#5 Fujiwara Yukinari 67
#6 Murata Katsuji 51
#7 Akiyama Toshiyuki 51
#8 Tanaka Shiyuuhei 49
#9 Onodera Hideo 48
#10 Kusuda Yukihisa 47

Latest patents

Publication Filing date Title
CN1844846A Wire width measuring device
US6693956B1 Power amplifier having negative feedback circuit for transmitter
US6900838B1 Method of processing image signal from solid-state imaging device, image signal processing apparatus, image signal generating apparatus and computer program product for image signal processing method
US6754367B1 Method and apparatus for automatically detecting intrusion object into view of image pickup device
JP2002084162A Surface acoustic wave apparatus
JP2001060263A Object tracking method and device
JP2001060269A Object tracking method and device
US6687386B1 Object tracking method and object tracking apparatus
KR20010007236A Television signal processor for generating video signal of wide dynamic range, television camera using the same, and method for television signal processing
JP2001036905A Method and device for controlling transmission system
EP1033718A2 Motion picture information displaying method and apparatus
US6346761B1 Surface acoustic wave device capable of suppressing spurious response due to non-harmonic higher-order modes
JP2001201464A X-ray variable oblique-observation angle perspective observation apparatus
JP2001102975A Equalizer and receiver using same
JP2001103033A Data transmission device
JP2001102941A Radio equipment
JP2001103106A Digital receiver and dicital radio equipment
JP2001094270A Leg structure of housing
JP2001094870A Method and device for processing signal
JP2001094504A Moving object communication system