Patent | Date |
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Semiconductor Device Generating Voltage For Temperature Compensation App 20100264899 - Ito; Takashi ;   et al. | 2010-10-21 |
Member for push-button switch and method of manufacturing the same Grant 7,745,751 - Takahashi , et al. June 29, 2 | 2010-06-29 |
Member for Push-Button Switch and Method of Manufacturing the Same App 20090057116 - Takahashi; Masahide ;   et al. | 2009-03-05 |
Semiconductor Device Generating Voltage for Temperature Compensation App 20080238530 - Ito; Takashi ;   et al. | 2008-10-02 |
Method for manufacturing a key top member for push button switch structure Grant 7,182,907 - Shimizu , et al. February 27, 2 | 2007-02-27 |
Semiconductor device having internal voltage generated stably Grant 6,954,103 - Yamauchi , et al. October 11, 2 | 2005-10-11 |
Semiconductor circuit device adaptable to plurality of types of packages Grant 6,873,563 - Suwa , et al. March 29, 2 | 2005-03-29 |
Semiconductor memory device requiring refresh operation Grant 6,813,210 - Okamoto , et al. November 2, 2 | 2004-11-02 |
Semiconductor memory device switchable to twin memory cell configuration Grant 6,775,177 - Okamoto , et al. August 10, 2 | 2004-08-10 |
Semiconductor memory device allowing high density structure or high performance Grant 6,724,679 - Nagasawa , et al. April 20, 2 | 2004-04-20 |
Semiconductor device used in two systems having different power supply voltages Grant 6,724,223 - Ichiguchi , et al. April 20, 2 | 2004-04-20 |
Semiconductor memory device requiring refresh operation App 20030218931 - Okamoto, Takeo ;   et al. | 2003-11-27 |
Semiconductor device used in two systems having different power supply voltages App 20030213972 - Ichiguchi, Tetsuichiro ;   et al. | 2003-11-20 |
Key top member for push button switch structure and method for manufacturing same App 20030213683 - Shimizu, Takao ;   et al. | 2003-11-20 |
Semiconductor device having internal voltage generated stably App 20030214345 - Yamauchi, Tadaaki ;   et al. | 2003-11-20 |
Semiconductor circuit device adaptable to plurality of types of packages App 20030214344 - Suwa, Makoto ;   et al. | 2003-11-20 |
Semiconductor memory device switchable to twin memory cell configuration App 20030214832 - Okamoto, Takeo ;   et al. | 2003-11-20 |
Semiconductor memory device adaptable to various types of packages Grant 6,625,050 - Suwa , et al. September 23, 2 | 2003-09-23 |
Key top member for push button switch structure Grant 6,621,027 - Shimizu , et al. September 16, 2 | 2003-09-16 |
Output circuit App 20030080780 - Okamoto, Takeo ;   et al. | 2003-05-01 |
Semiconductor memory device adaptable to various types of packages App 20030081443 - Suwa, Makoto ;   et al. | 2003-05-01 |
Semiconductor memory device allowing high density structure or high performance App 20030081490 - Nagasawa, Tsutomu ;   et al. | 2003-05-01 |
Key top element, push button switch element and method for manufacturing same Grant 6,196,738 - Shimizu , et al. March 6, 2 | 2001-03-06 |