Inventor · disambiguated record
Akeimi Hirotsune
Also filed as: HIROTSUNE AKEIMI
3 granted patents·28 citations·filing 2001–2004
70Inventor score
Technology areasG11B
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0185US6788642B2Optical recording medium having unrecordable restricted block(s), and systems incorporating sameHITACHI LTD·Filed 2001·Granted Sep 7, 2004·19 cites·20 claims
- 0266US7102987B2Optical recording medium having unreadable restricted block(s), and systems incorporating sameHITACHI LTD·Filed 2004·Granted Sep 5, 2006·5 cites·20 claims
- 0363US7102988B2Optical recording medium having inaccessible restricted block(s), and systems incorporating sameHITACHI LTD·Filed 2004·Granted Sep 5, 2006·4 cites·20 claims
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