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Substrate for information recording media and manufacturing method thereof, information recording medium, and starting material glass plate |
Masamichi Kezuka, Koji Okuhata, Takeo Watanabe |
2009-10-20 |
| 7040953 |
Substrate for information recording media and manufacturing method thereof, and information recording medium |
Takeo Watanabe, Junji Kurachi |
2006-05-09 |
| 6845635 |
METHOD OF MANUFACTURING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA MANUFACTURED USING THE METHOD, AND INFORMATION RECORDING MEDIUM USING THE GLASS SUBSTRATE |
Takeo Watanabe, Takao Miwa, Satoshi Jibiki, Masamichi Kezuka |
2005-01-25 |
| 6808784 |
Glass substrate for magnetic recording media and manufacturing method thereof |
Junichi Hashimoto, Takeo Watanabe |
2004-10-26 |