Takiguchi; Hitoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takiguchi; Hitoshi.The latest application filed is for "optical pickup astigmatism measuring method, optical pickup astigmatism adjusting method, and optical pickup astigmatism measuring system".
- Takiguchi; Hitoshi - Saitama-ken JP
| Patent | Date |
|---|---|
| Optical pickup astigmatism measuring method, optical pickup astigmatism adjusting method, and optical pickup astigmatism measuring system Grant 7,170,831 - Takiguchi , et al. January 30, 2 | 2007-01-30 |
| Method of and apparatus for adjusting the focus position of an optical pickup Grant 7,064,308 - Takiguchi , et al. June 20, 2 | 2006-06-20 |
| Optical pickup astigmatism measuring method, optical pickup astigmatism adjusting method, and optical pickup astigmatism measuring system App 20040240336 - Takiguchi, Hitoshi ; et al. | 2004-12-02 |
| Method of and apparatus for adjusting the focus position of an optical pickup App 20040159770 - Takiguchi, Hitoshi ; et al. | 2004-08-19 |
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