AH

Akeimi Hirotsune

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
Overall (2004): #266,293 of 270,089Top 100%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6788642 Optical recording medium having unrecordable restricted block(s), and systems incorporating same Harukazu Miyamoto, Yoshiko Nishi 2004-09-07