HH

Hiroshi Hirayama

HI Hitachi: 2 patents #478 of 3,189Top 15%
Overall (2005): #54,011 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6889352 Digital signal forming method, disc recording media using the same, and reproducing method thereof 2005-05-03
6838798 Permanent magnet type rotating electric machine Ryoichi Takahata, Shinichi Wakui, Haruo Koharagi, Satoshi Kikuchi, Miyoshi Takahashi +4 more 2005-01-04