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Patent applications and USPTO patent grants for Otsuka; Naotaka.The latest application filed is for "split body, light emitting body and optical pickup device".
Patent | Date |
---|---|
Splitting element, light emitter, and optical pickup apparatus Grant 7,649,825 - Tsuchida , et al. January 19, 2 | 2010-01-19 |
Split body, light emitting body and optical pickup device App 20060262695 - Tsuchida; Kazuhiro ;   et al. | 2006-11-23 |
Optical pickup Grant 7,106,682 - Ueyama , et al. September 12, 2 | 2006-09-12 |
Optical pickup App 20050141391 - Ueyama, Tetsuo ;   et al. | 2005-06-30 |
Optical pickup Grant 6,868,055 - Ueyama , et al. March 15, 2 | 2005-03-15 |
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