Umehara; Keijiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umehara; Keijiro.The latest application filed is for "verification vector creating method, and electronic circuit verifying method using the former method".
- Umehara; Keijiro - Kyoto JP
- Umehara; Keijiro - Uji JP
- Umehara; Keijiro - Uji-shi JP
- Umehara, Keijiro - US
| Patent | Date |
|---|---|
| Analog circuit automatic calibration system Grant 7,254,507 - Dosho , et al. August 7, 2 | 2007-08-07 |
| Low-pass filter for a PLL, phase-locked loop and semiconductor integrated circuit Grant 7,030,688 - Dosho , et al. April 18, 2 | 2006-04-18 |
| Verification vector creating method, and electronic circuit verifying method using the former method App 20060026479 - Umehara; Keijiro ; et al. | 2006-02-02 |
| Duty cycle correction circuit Grant 6,982,581 - Dosho , et al. January 3, 2 | 2006-01-03 |
| Low-pass filter for a pll, phase-locked loop and semiconductor integrated circuit App 20050077955 - Dosho, Shiro ; et al. | 2005-04-14 |
| Analog circuit automatic calibration system App 20050049809 - Dosho, Shiro ; et al. | 2005-03-03 |
| Duty cycle correction circuit App 20040108878 - Dosho, Shiro ; et al. | 2004-06-10 |
| Liquid crystal driver device and liquid crystal driver unit App 20020175890 - Dosho, Shiro ; et al. | 2002-11-28 |
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