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Patent applications and USPTO patent grants for Hirotsune; Akeimi.The latest application filed is for "optical recording medium having inaccessible restricted block(s), and systems incorporating same".
Patent | Date |
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Optical recording medium having inaccessible restricted block(s), and systems incorporating same Grant 7,102,988 - Hirotsune , et al. September 5, 2 | 2006-09-05 |
Optical recording medium having unreadable restricted block(s), and systems incorporating same Grant 7,102,987 - Hirotsune , et al. September 5, 2 | 2006-09-05 |
Optical recording medium having inaccessible restricted block(s), and systems incorporating same App 20040193949 - Hirotsune, Akeimi ;   et al. | 2004-09-30 |
Optical recording medium having unrecordable restricted block(s), and systems incorporating same Grant 6,788,642 - Hirotsune , et al. September 7, 2 | 2004-09-07 |
Optical recording medium having unreadable restricted block(s), and systems incorporating same App 20040163010 - Hirotsune, Akeimi ;   et al. | 2004-08-19 |
Information recording medium App 20020145966 - Hirotsune, Akeimi ;   et al. | 2002-10-10 |
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