TH

Takashige Hiratsuka

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #745,560 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8111596 Phase error detection apparatus Mitsuru Sakai, Yoshihiro Kanda 2012-02-07
7995448 Optical disc device Yoshihiro Kanda, Minoru Ochiai 2011-08-09
7385887 Address signal position detection apparatus, optical disk playback apparatus, and address signal position detection method 2008-06-10
7289399 Tracking error detection apparatus including reduction in false tracking error detection during phase error detection 2007-10-30
7239583 Tracking error detection apparatus Yoshihiro Kanda 2007-07-03
7012862 Tracking error detection apparatus 2006-03-14
6741533 Tracking error detection device Shoji Marukawa, Toshinori Okamoto 2004-05-25