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UNIVERSAL PIONEER CORP

Overview
  • Total Patents
    251
About

UNIVERSAL PIONEER CORP has a total of 251 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, United Kingdom and United States. Its main competitors in its focus markets audio-visual technology, optics and control are JACOBS ELI S, DIGITAL RECORDING CORP and TAJIMA HIDEHARU.

Patent filings in countries

World map showing UNIVERSAL PIONEER CORPs patent filings in countries
# Country Total Patents
#1 Japan 154
#2 United Kingdom 33
#3 United States 33
#4 Germany 31

Patent filings per year

Chart showing UNIVERSAL PIONEER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kanamaru Hitoshi 30
#2 Okano Takashi 26
#3 Araki Yoshitsugu 23
#4 Hosaka Toshihiko 18
#5 Akiyama Toru 10
#6 Shimizu Tetsuo 10
#7 Tsuboi Hiroaki 7
#8 Kuroda Kazuo 7
#9 Satou Katsuharu 7
#10 Fukui Tsutomu 6

Latest patents

Publication Filing date Title
JPS58169351A Optical information reading device
JPS58143684A Color signal processing device of color recorded information reproducing device
JPS58143685A Color signal processing device for color recorded information reproducing device
JPS58137140A Optical system driving device of optical information recording and reproducing device
JPS58134595A Signal generator for time axis error of reproducing signal
JPS58133647A Reproduction end detector in optical system information reproducer
JPS58133665A Reproduction end detector in information reproducer
JPS58134594A Time axis error signal generator
JPS58121135A Focus servo device
JPS58119287A Generating circuit for pilot burst eliminating instruction signal
JPS58117783A Reproduced synchronizing signal generator
JPS58117784A Reproduced synchronizing signal generator
JPS58116584A Image information processing system
GB2090024A Tangential speed control for pal disc player
JPS58102309A Extracting device for data signal in fm signal
JPS5898881A Time base controller for reproducing device of information recording disc
JPS5898846A Recording system for disc-shaped recording medium
JPS5895483A Separating circuit for horizontal synchronizing signal
JPS5892187A Synchronizing separation circuit
US4390977A Apparatus for maintaining rotational speed in disk reproducing device