Historical clue formulations

• Major Japanese company HQ'd in a 43-story tower shaped like a rocket — 2023-09-21
• Japanese tech giant — 2023-01-14
• Major chip maker — 2020-12-26
• Japanese electronics giant — 2020-10-09
• Japanese electronics giant — 2019-04-29
• Tokyo-based tech giant — 2019-01-25
• Asian electronics giant — 2017-03-14
• Japanese PC maker — 2016-02-10
• Japanese tech giant — 2015-11-26
• Big inits. in computing — 2015-05-08
• Big Japanese chip maker — 2015-04-18
• Big name in chips — 2014-12-19
• Japanese computer giant — 2013-12-15
• Toshiba competitor — 2013-11-01
• Asian electronics giant — 2013-10-31
• Japanese computer giant — 2013-05-24
• Japanese supercomputer maker — 2011-09-21
• Asian electronics giant — 2011-09-19
• I.B.M. competitor — 2011-03-02
• Toshiba competitor — 2011-01-07
• Big Japanese computer maker: Abbr. — 2010-06-14
• Jap. computer giant — 2010-03-30
• Japanese I.T. giant — 2010-01-17
• I.B.M. competitor — 2008-10-06
• IBM competitor — 2007-07-22
• Japanese computer giant — 2007-04-21
• IBM competitor — 2005-05-01
• Big Japanese computer firm — 2005-01-14
• IBM competitor — 2004-07-11
• Japanese computer giant — 2003-06-01
• Japanese computer inits. — 2002-06-21
• Japanese computer giant — 2002-01-13
• Computer giant — 2001-11-13
• Japan-based computer co. — 2001-08-19
• Big computer inits. — 2001-04-08
• Japanese competitor of IBM — 2000-12-24
• Japanese computer giant — 2000-06-14
• Computer giant — 1999-12-27
• Japanese computer giant — 1999-02-21
• Japanese computer giant — 1995-12-11
• Computer company — 1995-01-29