Takeshi Hashimoto

TOKYO, JP

1. 20090193301 Semiconductor memory device and refresh period controlling method 07-30-2009
2. 20090091189 Uninterruptible Power Supply - The invention is to provide an uninterruptible power supply that is able to response to diverse output specifications of 04-09-2009
3. 20080276280 INFORMATION PROVIDING APPARATUS AND INFORMATION PROVIDING METHOD 11-06-2008