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NIHON DEMPA KOGYO CO

Overview
  • Total Patents
    4,511
  • GoodIP Patent Rank
    1,762
  • Filing trend
    ⇩ 5.0%
About

NIHON DEMPA KOGYO CO has a total of 4,511 patent applications. It decreased the IP activity by 5.0%. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets basic communication technologies, semiconductors and machines are NIHON DEMPA KOGYO CO LTD, KINSEKI LTD and SiTime Coporation.

Patent filings per year

Chart showing NIHON DEMPA KOGYO COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mizusawa Shuichi 196
#2 Koyama Mitsuaki 194
#3 Asamura Fumio 150
#4 Takahashi Takehiro 148
#5 Akaike Kazuo 117
#6 Ono Kozo 117
#7 Onishi Naoki 107
#8 Oita Takeo 100
#9 Wakamatsu Shunichi 100
#10 Kubo Kuichi 86

Latest patents

Publication Filing date Title
US2021100119A1 Pedestal mounted with a blank, crystal unit, and oscillator
US2021105000A1 Pedestal mounted with blank, crystal unit and oscillator
US2020195224A1 At-cut crystal element, crystal unit, and semi-manufactured crystal unit
JP2020099038A AT-cut crystal piece, crystal unit, and crystal unit intermediate
US2020113089A1 Module device and method for assembling module device
JP2021007195A Millimeter-wave detection circuit
JP2021005836A Ceramic package and piezoelectric device
JP2021005810A Mixer circuit
JP2020202347A Electronic apparatus
JP2020193846A Sensing device
JP2020191582A Frequency signal generation device
JP2020191415A Receiving circuit board and receiving circuit
JP2020191489A Crystal piece array manufacturing method, design support device, and program
JP2020191488A Crystal piece array manufacturing method, design support device, and program
JP2020188408A Surface acoustic wave device, filter circuit, and electronic component
WO2019230383A1 Pedestal, vibrator, and oscillator for vibration element
JP2020180787A Detection device and power supply
JP2020180788A Signal processing device and antenna system
JP2020182031A PLL device
JP2020182261A Switch device and power source supply system