| production history |
Month / Year |
| Start of cassette player products |
May 1987 |
| Production achievements of 1 million sets |
Sept 1987 |
| Start of mini compo products |
July 1988 |
| Start of wireless phone products |
Sept 1988 |
| Production achievements of 8 million sets |
Sept 1989 |
| Start of CD radio cassette products |
Mar 1990 |
| Start of answering system phone products |
May 1990 |
| Production achievements of 20 million sets |
Jun 1991 |
| Start of 900MHz cordless phone products |
May 1996 |
| Start of CDMA mobile phone products |
May 1999 |
| - achievements of 1 million sets |
May 2000 |
| - achievement of 5 million sets |
Jun 2003 |
| - achievement of 10 million sets |
Nov 2004 |
| Achievement of 20 million sets of Japan domestic model |
Nov 2006 |
| Start production of 20 million sets of Japan domestic model |
Feb 2007 |
