Ootaki; Sakashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ootaki; Sakashi.The latest application filed is for "wave-front aberration compensation unit, wave-front aberration compensation device, and optical pickup".
- Ootaki; Sakashi - Saitama JP
- Ootaki; Sakashi - Tsurugashima JP
- Ootaki; Sakashi - Tsuragashima JP
| Patent | Date |
|---|---|
| Wave-front aberration compensation unit, wave-front aberration compensation device, and optical pickup Grant 6,078,554 - Ootaki , et al. June 20, 2 | 2000-06-20 |
| Optical pickup with aberration correcting panel including a liquid crystal Grant 5,936,923 - Ootaki , et al. August 10, 1 | 1999-08-10 |
| Optical pickup used with both DVD and CD Grant 5,734,637 - Ootaki , et al. March 31, 1 | 1998-03-31 |
| Reflection type liquid crystal display apparatus which prevents rotation of the polarization plane Grant 5,459,593 - Ootaki October 17, 1 | 1995-10-17 |
| Photo-conductive liquid crystal light valve Grant 5,009,490 - Kouno , et al. April 23, 1 | 1991-04-23 |
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