SM

Shoji Marukawa

Sumitomo Electric Industries: 4 patents #212 of 4,178Top 6%
Overall (2004): #11,752 of 270,089Top 5%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6836511 Apparatus for processing a reproduced digital signal 2004-12-28
6834035 Digital reproduced signal processing device Shinichiro Sato, Toshinori Okamoto, Yoshimasa Oda 2004-12-21
6741533 Tracking error detection device Takashige Hiratsuka, Toshinori Okamoto 2004-05-25
6687841 Wide frequency range PLL clock generating circuit with delta sigma modulating circuitry for reducing the time changing ratio of the input voltage of a voltage controlled oscillator 2004-02-03