Yoshioka; Aki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yoshioka; Aki.The latest application filed is for "optical pickup apparatus and laser diode chip".
- Yoshioka; Aki - Tokorozawa JP
- Yoshioka, Aki - Tokorozawa-City JP
| Patent | Date |
|---|---|
| Optical pickup apparatus and laser diode chip Grant 6,912,234 - Takahashi , et al. June 28, 2 | 2005-06-28 |
| Optical pickup apparatus for reading different types of recording media at different reading wavelengths Grant 6,480,456 - Kawamura , et al. November 12, 2 | 2002-11-12 |
| Optical pickup apparatus and laser diode chip App 20010050933 - Takahashi, Shinichi ; et al. | 2001-12-13 |
| Optical pickup apparatus App 20010021070 - Ishii, Ko ; et al. | 2001-09-13 |
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