AH

Akeimi Hirotsune

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,595,135 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7102987 Optical recording medium having unreadable restricted block(s), and systems incorporating same Harukazu Miyamoto, Yoshiko Nishi 2006-09-05
7102988 Optical recording medium having inaccessible restricted block(s), and systems incorporating same Harukazu Miyamoto, Yoshiko Nishi 2006-09-05
6788642 Optical recording medium having unrecordable restricted block(s), and systems incorporating same Harukazu Miyamoto, Yoshiko Nishi 2004-09-07