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Optical recording medium, optical recording method and optical recording device Grant 6,737,143 - Noguchi , et al. May 18, 2 | 2004-05-18 |
Metal complex type squarylium compounds and optical recording media made by using the same Grant 6,660,867 - Shimizu , et al. December 9, 2 | 2003-12-09 |
Optical recording medium, optical recording method and optical recording device App 20030206514 - Noguchi, Soh ;   et al. | 2003-11-06 |
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Squarylium compounds and optical recording media using the same Grant 6,599,605 - Shimizu , et al. July 29, 2 | 2003-07-29 |
Squarylium compounds and optical recording medium containing the same App 20030082330 - Shimizu, Ikuo ;   et al. | 2003-05-01 |
Squarylium compounds and optical recording media using the same App 20030082329 - Shimizu, Ikuo ;   et al. | 2003-05-01 |
Optical recording medium and optical recording and reading method using the same App 20010044001 - Noguchi, Soh ;   et al. | 2001-11-22 |