NIIGATA SEIMITSU CO LTD has a total of 446 patent applications. Its first patent ever was published in 1994. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and Taiwan. Its main competitors in its focus markets basic communication technologies, telecommunications and semiconductors are NIIGATA SEIMITSU KK, SKYWORKS SOLUTIONS INC and INTEGRANT TECHNOLOGIES INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 143 | |
#2 | United States | 93 | |
#3 | Taiwan | 92 | |
#4 | China | 65 | |
#5 | EPO (European Patent Office) | 37 | |
#6 | United Kingdom | 5 | |
#7 | Republic of Korea | 4 | |
#8 | Hong Kong | 3 | |
#9 | Australia | 2 | |
#10 | Finland | 2 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies | |
#2 | Telecommunications | |
#3 | Semiconductors | |
#4 | Digital networks | |
#5 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Transmission | |
#2 | Semiconductor devices | |
#3 | Amplifiers | |
#4 | Tuning resonant circuits | |
#5 | Amplification control | |
#6 | Code conversion | |
#7 | Generation of oscillations | |
#8 | Digital information transmission | |
#9 | Antennas | |
#10 | Magnets and transformers |
# | Name | Total Patents |
---|---|---|
#1 | Miyagi Hiroshi | 205 |
#2 | Ikeda Takeshi | 152 |
#3 | Okamoto Akira | 77 |
#4 | Ishiguro Kazuhisa | 34 |
#5 | Hiroshi Miyagi | 24 |
#6 | Koyanagi Yukio | 23 |
#7 | Karasudani Munehiro | 21 |
#8 | Toraichi Kazuo | 19 |
#9 | Kitamura Mamoru | 17 |
#10 | Narita Hiromitsu | 16 |
Publication | Filing date | Title |
---|---|---|
US2009033434A1 | Oscillation circuit | |
WO2007129384A1 | Lc noise filter | |
WO2007108138A1 | Composite band-pass filter and method of filtering quadrature signals | |
WO2006100914A1 | Portable device with built-in fm transmitter | |
GB0716779D0 | Portable apparatus with built-in FM transmitter | |
WO2006114941A1 | Clock generating circuit and audio system | |
WO2006100913A1 | Portable device with built-in fm transmitter | |
CN101142750A | Portable apparatus with built-in fm transmitter | |
US2009011729A1 | Fm transmitter | |
WO2006095581A1 | Semiconductor device | |
TW200701760A | Semiconductor device | |
EP1887701A1 | Frequency synthesizer and charge pump circuit used therein | |
WO2006117894A1 | Automatic gain control apparatus | |
WO2006054576A1 | Vhf band receiver | |
CN101061691A | Mobile telephone with am radio | |
WO2006054578A1 | Fm transmitter | |
WO2006054577A1 | Vhf band transmitter | |
US2008102780A1 | Mobile Device Equipped With Am Radio | |
CN101164236A | Frequency synthesizer and charge pump circuit used for the same | |
WO2006048981A1 | Image processor |