HI

Hiroyuki Ishiwata

AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%
Overall (All Time): #2,132,321 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7496332 Diplexer Takashi Tanemura, Akiyuki Yoshisato, Masami Miyazaki 2009-02-24
7423500 Low-pass filter capable of preventing unnecessary electromagnetic coupling 2008-09-09