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Patent applications and USPTO patent grants for Endo; Somei.The latest application filed is for "optical recording medium and master plate for manufacturing an optical recording medium".
Patent | Date |
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Optical recording medium and master disc for preparation thereof Grant 6,611,492 - Akimori , et al. August 26, 2 | 2003-08-26 |
Optical recording medium having wobbling groove extending along the tracks Grant 6,597,655 - Sato , et al. July 22, 2 | 2003-07-22 |
Optical recording medium, stamper for use to produce the optical recording medium, and method of producing the stamper Grant 6,335,916 - Endo , et al. January 1, 2 | 2002-01-01 |
Optical recording medium and master plate for manufacturing an optical recording medium App 20010038604 - Sato, Manabu ;   et al. | 2001-11-08 |
Optical recording medium and master disc for preparation thereof App 20010024421 - Akimori, Toshihiro ;   et al. | 2001-09-27 |
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