HI

Hirohito Ishibashi

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,612,454 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6631105 Disk reproducing speed control method and a disk reproducing apparatus using this method Hirotoshi Fukuda, Kazunaga Narita, Kiyonobu Teramoto, Toshihiro Matsunaga, Masato Sano 2003-10-07
6445658 Disk reproducing speed control method and a disk reproducing apparatus using this method Hirotoshi Fukuda, Kazunaga Narita, Kiyonobu Teramoto, Toshihiro Matsunaga, Masato Sano 2002-09-03
6351440 Disk reproducing speed control method and a disk reproducing apparatus using this method Hirotoshi Fukuda, Kazunaga Narita, Kiyonobu Teramoto, Toshihiro Matsunaga, Masato Sano 2002-02-26