Historical clue formulations

• Japanese audio brand — 2026-06-21
• Japanese audio brand — 2023-10-17
• Japanese electronics brand — 2022-04-01
• Japanese speaker brand — 2021-08-17
• Classic name in audio equipment — 2021-01-28
• Japanese electronics company bought by Sony in 2002 — 2020-11-13
• Japanese audio brand — 2020-11-01
• Japanese consumer electronics brand — 2020-02-10
• Competitor of Sanyo and Bose — 2019-06-23
• Onetime electronics giant — 2018-05-21
• Onetime giant in consumer electronics — 2017-05-23
• Audio equipment brand — 2017-05-04
• Former Sanyo competitor — 2016-04-26
• Onetime big name in Japanese electronics — 2016-03-07
• Sanyo competitor — 2015-05-05
• Former consumer electronics company bought by Sony — 2015-02-06
• Sanyo competitor — 2012-10-30
• Electronics company bought by Sony — 2012-07-15
• Sony brand — 2009-02-12
• Sanyo competitor — 2008-08-31
• Sanyo competitor — 2008-05-11
• Sony subsidiary — 2008-02-21
• Sony competitor — 2006-03-20
• Sanyo competitor — 2006-02-28
• Audio equipment brand — 2005-07-20
• Panasonic competitor — 2005-03-17
• Sony competitor — 2005-03-15
• Sony competitor — 2003-06-06