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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 18 | |
#2 | Japan | 2 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Digital networks | |
#3 | Basic communication technologies |
# | Technology | |
---|---|---|
#1 | Wireless communication networks | |
#2 | Digital information transmission | |
#3 | Multiplex communication | |
#4 | Transmission | |
#5 | Amplifiers |
# | 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 |
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 |