TY

Takehiko Yamakawa

Sumitomo Electric Industries: 2 patents #693 of 4,178Top 20%
Overall (2004): #38,708 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6794959 In-band-flat-group-delay type dielectric filter and linearized amplifier using the same Toru Yamada, Toshio Ishizaki, Minoru Tachibana, Toshiaki Nakamura, Hiroyuki Nakamatsu 2004-09-21
6707353 Dielectric filter Toru Yamada, Toshio Ishizaki, Akira Enokihara, Minoru Tachibana, Toshiaki Nakamura 2004-03-16