Doumae; Sumiko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doumae; Sumiko.The latest application filed is for "semiconductor memory device".
- Doumae; Sumiko - Yokohama JP
- Doumae; Sumiko - Kanagawa-ken JP
- DOUMAE; Sumiko - Yokohama-shi JP
| Patent | Date |
|---|---|
| Semiconductor memory device Grant 8,031,507 - Doumae , et al. October 4, 2 | 2011-10-04 |
| Semiconductor memory device Grant 7,911,821 - Doumae , et al. March 22, 2 | 2011-03-22 |
| Semiconductor memory device Grant 7,791,922 - Doumae , et al. September 7, 2 | 2010-09-07 |
| Semiconductor Memory Device App 20100020589 - DOUMAE; Sumiko ; et al. | 2010-01-28 |
| Semiconductor Memory Device App 20100020587 - DOUMAE; Sumiko ; et al. | 2010-01-28 |
| Semiconductor Memory Device App 20090040807 - DOUMAE; Sumiko ; et al. | 2009-02-12 |
| Ferroelectric random access memory Grant 6,611,450 - Oowaki , et al. August 26, 2 | 2003-08-26 |
| Ferroelectric random access memory App 20020122328 - Oowaki, Yukihito ; et al. | 2002-09-05 |
| Ferroelectric memory device App 20020044477 - Takeuchi, Yoshiaki ; et al. | 2002-04-18 |
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