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NIIGATA SEIMITSU KK

Overview
  • Total Patents
    145
About

NIIGATA SEIMITSU KK has a total of 145 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan, China and Taiwan. Its main competitors in its focus markets basic communication technologies, telecommunications and semiconductors are INTEGRANT TECHNOLOGIES INC, NIIGATA SEIMITSU CO LTD and RF MICRO DEVICES INC.

Patent filings in countries

World map showing NIIGATA SEIMITSU KKs patent filings in countries
# Country Total Patents
#1 Japan 141
#2 China 3
#3 Taiwan 1

Patent filings per year

Chart showing NIIGATA SEIMITSU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Miyagi Hiroshi 74
#2 Ikeda Takeshi 53
#3 Ishiguro Kazuhisa 19
#4 Okamoto Akira 9
#5 Karasutani Munehiro 8
#6 Kitamura Mamoru 6
#7 Koyanagi Yukio 5
#8 Takahashi Yoshiaki 5
#9 Toraichi Kazuo 4
#10 Takahashi Naoki 3

Latest patents

Publication Filing date Title
JP2008099337A Fet band amplifier
JP2009033535A Variable gain amplifier
JP2009027329A Automatic gain control circuit
JP2009017286A Am/fm radio receiver and semiconductor integrated circuit for reception used therefor
JP2009017285A Modulating circuit
JP2009005055A Gain-variable amplifier
JP2009005056A Gain-variable amplifier
JP2008312158A Antenna input circuit
JP2008258788A Analog/digital converter
JP2008258787A Oscillator
JP2008258789A Low noise amplifier
JP2008193209A Quadrature modulator
JP2008193210A Analog/digital converter
JP2008148014A Digital modulator
JP2008148013A Sine wave generation circuit
JP2008146275A Reference voltage generation circuit
JP2008141452A Mixer circuit
JP2008103888A Voltage-controlled oscillation circuit
JP2008103889A Low-noise amplifier
JP2008098732A Voltage-controlled oscillator