YF

Yukinari Fujiwara

HD Hitachi Denshi: 8 patents #5 of 275Top 2%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
📍 Musashimurayama, JP: #9 of 88 inventorsTop 15%
Overall (All Time): #524,475 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6603359 High-frequency power amplifying apparatus Yoshitaka Shinomiya 2003-08-05
6246732 Demodulator including adaptive equalizer and demodulating method in digital communications Takehiko Kobayashi 2001-06-12
5889766 Transmission/reception method based on frequency division multiple access having changeable communication channel bandwidths and communication apparatus employing the method Makoto Ohnishi 1999-03-30
5802451 Non-linear compensation circuit for a power amplifier Masaru Adachi 1998-09-01
5771263 Communication system control method and communication system using the method Masayuki Kanazawa 1998-06-23
5432842 Mobile communication switching across cell boundaries Yasuaki Kinoshita, Arata Nakagoshi, Hideya Suzuki, Hideo Nakasawa, Michiaki Kurosawa 1995-07-11
5068624 Amplifier Yoshio Taneichi 1991-11-26
4754235 Frequency synthesizer with low power consumption 1988-06-28
4476437 System for detecting abnormal condition of high frequency output signal in its power level 1984-10-09
4231116 Radio station system Nobuo Sekiguchi, Mitsuo Toya, Yoichi Kaneko 1980-10-28