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KOYANAGI KENJI

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    183,857
  • Filing trend
    ⇩ 50.0%
About

KOYANAGI KENJI has a total of 20 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1997. It filed its patents most often in United States and Japan. Its main competitors in its focus markets telecommunications, digital networks and basic communication technologies are KURODA NAHOKO, HAN SEUNGHEE and LUNDBY STEIN A.

Patent filings in countries

World map showing KOYANAGI KENJIs patent filings in countries
# Country Total Patents
#1 United States 18
#2 Japan 2

Patent filings per year

Chart showing KOYANAGI KENJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koyanagi Kenji 20
#2 Kakura Yoshikazu 13
#3 Liu Le 7
#4 Inoue Takamichi 6
#5 Lee Jinsock 3
#6 Futaki Hisashi 3
#7 Kuroda Nahoko 3
#8 Ishii Naoto 1
#9 Iwasaki Motoya 1
#10 Onoue Takamichi 1

Latest patents

Publication Filing date Title
US2011110322A1 Resource allocation method, identification method, radio communication system, base station, mobile station, and program
JP2009055577A Speaker vibrating plate, and speaker apparatus
JPH1156209A Utensil for preventing bird damage