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NAKAGAWA MASAO

Overview
  • Total Patents
    21
About

NAKAGAWA MASAO has a total of 21 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan and United States. Its main competitors in its focus markets telecommunications, computer technology and digital networks are SHENZHEN GUANGHETONG WIRELESS COMMUNICATION SOFTWARE CO LTD, ACROWAVE SYSTEMS and INEW DATA COMM CO LTD.

Patent filings in countries

World map showing NAKAGAWA MASAOs patent filings in countries
# Country Total Patents
#1 Japan 16
#2 United States 5

Patent filings per year

Chart showing NAKAGAWA MASAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakagawa Masao 21
#2 Kobayashi Hiroshi 5
#3 Kono Ryuji 5
#4 Kajiwara Akihiro 4
#5 Takeuchi Takahiko 4
#6 Esmailzadeh Riaz 3
#7 Yano Motomitsu 3
#8 Harada Koji 1
#9 Arai Tomotoshi 1
#10 Yamazaki Shoichiro 1

Latest patents

Publication Filing date Title
US2006215611A1 Radio communication apparatus, radio communication method, communication channel assigning method and assigning apparatus
JP2000118566A Straw holder
JPH1174865A Spectrum diffusion communication system
JPH11311012A Tile-stuck panel
JPH10173631A Spread spectrum communication system and communication terminal
JPH05130053A Radio transmitter
JPH05130070A Spread spectrum communication system
JPH0568017A Spread spectrum receiver and spread spectrum transmitter and spread spectrum communication system
JPH0446428A Demodulator for spread spectrum communication
JPH03254239A Traveling object communication method
JPH03212037A Frequency whipping communication system
JPH03181238A Data transmission system applying spectrum diffusion communication
JPH02220535A Data transmission system
JPS62242429A Optical multiplex communication system
JPS6112419A Ventilator for car
JPS5742246A Multiplex communication device
JPS5696551A Multiplex communication device