Tsukamoto; Mayumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsukamoto; Mayumi.The latest application filed is for "optical pickup device and optical disk device".
- Tsukamoto; Mayumi - Nagasaki JP
| Patent | Date |
|---|---|
| Optical pickup device and optical disk device Grant 8,270,265 - Yoshinaka , et al. September 18, 2 | 2012-09-18 |
| Optical pickup device and optical disk device Grant 7,889,620 - Fukakusa , et al. February 15, 2 | 2011-02-15 |
| Optical pickup device and optical disk drive Grant 7,738,347 - Tsukamoto , et al. June 15, 2 | 2010-06-15 |
| Optical pickup device and optical disk device App 20090040893 - Yoshinaka; Hideki ; et al. | 2009-02-12 |
| Optical pickup device and optical disk device App 20090040910 - Fukakusa; Masaharu ; et al. | 2009-02-12 |
| Optical Pickup Device And Optical Disk Drive App 20080062827 - TSUKAMOTO; Mayumi ; et al. | 2008-03-13 |
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