Hitachi, Ltd.

6-K FORM 6-K Apr 25, 2012 6-K FORM 6-K Apr 5, 2012 6-K FORM 6-K Mar 30, 2012 6-K FORM 6-K Mar 15, 2012 6-K FORM 6-K Mar 9, 2012 6-K FORM 6-K Mar 8, 2012 6-K FORM 6-K Feb 28, 2012 6-K FORM 6-K Feb 6, 2012 6-K FORM 6-K Feb 1, 2012 6-K FORM 6-K Jan 20, 2012 6-K FORM 6-K Jan 18, 2012 6-K FORM 6-K Dec 27, 2011 6-K FORM 6-K Dec 5, 2011 6-K FORM 6-K Nov 28, 2011 6-K FORM 6-K Nov 16, 2011 6-K FORM 6-K Nov 4, 2011 6-K FORM 6-K Oct 31, 2011 6-K FORM 6-K Oct 26, 2011 6-K FORM 6-K Sep 29, 2011 6-K FORM 6-K Sep 16, 2011 6-K FORM 6-K Sep 15, 2011 6-K FORM 6-K Sep 1, 2011 6-K FORM 6-K Aug 30, 2011 6-K FORM 6-K Aug 4, 2011 6-K FORM 6-K Aug 3, 2011 6-K FORM 6-K Jul 28, 2011 20-F/A FORM 20-F/A (AMENDMENT NO. 1) Jul 21, 2011 6-K FORM 6-K Jun 30, 2011 6-K FORM 6-K Jun 27, 2011 20-F ANNUAL REPORT Jun 24, 2011 6-K FORM 6-K Jun 16, 2011 6-K FORM 6-K Jun 10, 2011 6-K FORM 6-K Jun 6, 2011 6-K FORM 6-K May 31, 2011 6-K FORM 6-K May 13, 2011 6-K FORM 6-K Apr 27, 2011 6-K FORM 6-K Apr 25, 2011 6-K FORM 6-K Apr 20, 2011 6-K FORM 6-K Apr 6, 2011 6-K FORM 6-K Mar 30, 2011