NI

Nobuhiko Ishihara

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HS Hitachi Tohbu Semiconductor: 2 patents #78 of 223Top 35%
Overall (All Time): #2,208,437 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6658243 High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages Hitoshi Akamine, Tetsuaki Adachi, Yasuhiro Nunogawa, Kogi Sugita 2003-12-02
6463267 High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages Hitoshi Akamine, Tetsuaki Adachi, Yasuhiro Nunogawa, Kogi Sugita 2002-10-08