| May 1977 |
A&D Co., Ltd. (paid-in capital 42.04 million yen) was founded to manufacture and distribute electronic measuring instruments. A head office was established in Nerima-ku, Tokyo and a factory in Kitamoto City, Saitama. |
| May 1979 |
Relocation of head office to Shibuya-ku, Tokyo |
| May 1981 |
Relocation of factory to Konosu City, Saitama (current Konosu factory) |
| June 1982 |
Acquired Kensei Industry Co., Ltd. stocks which then became an A&D subsidiary (currently A&D's consolidated subsidiary) and entered the electronic balance business. |
| August 1982 |
Founded A&D Engineering, Inc. (currently A&D's consolidated subsidiary), which became the sales office for North, Central and South America. |
| June 1985 |
Founded Litra Co., Ltd. (currently A&D's consolidated subsidiary), a factory specializing in load cell and electronic balance manufacturing. |
| January 1987 |
Entered into contract with Takeda Medical Inc. for sole representation and began distribution of digital blood pressure monitors. |
| December 1987 |
Acquired Mercury Weighing And Control Systems Pty. Ltd. stocks (current A&D Mercury Pty. Ltd., A&D's consolidated subsidiary) and established it as the A&D subsidiary sales office in Oceania. |
| May 1989 |
Merged with Takeda Medical Inc. |
| August 1989 |
Established a research and development technical center in Kitamoto City, Saitama and transferred all research and development functions from the Konosu factory. |
| April 1990 |
Founded A&D System Co., Ltd. to enhance the development of medical instruments. |
| September 1990 |
Relocation of head office to Toshima-ku, Tokyo |
| December 1990 |
Founded A&D Korea Limited (currently A&D's consolidated subsidiary) |
| May 1991 |
Founded A&D Instruments Ltd. (currently A&D's consolidated subsidiary), which became the sales office in Europe |
| May 1993 |
Entered into partnership with Orientec Co., Ltd. (currently A&D's consolidated subsidiary) and acquired sales representation for testing machines and load cells |
| June 1994 |
Founded A&D Scientech Taiwan Limited (currently A&D's equity method affiliate) in Taiwan |
| October 1995 |
Obtained ISO9001 certification |
| January 1996 |
A&D Korea Limited (currently A&D's consolidated subsidiary) acquired Hana Instruments Co., Ltd. stocks (currently A&D Scales Co., Ltd., A&D's consolidated subsidiary) |
| September 1996 |
Acquired Orientec Co., Ltd. stocks (currently A&D's consolidated subsidiary) |
| October 2002 |
Founded A&D Electronics (Shenzhen) Co., Ltd., a factory that specializes in the manufacturing of healthcare products |
| April 2003 |
Went public on the JASDAQ market |
| August 2003 |
Acquired Litra Co., Ltd. (currently A&D's consolidated subsidiary) as a wholly owned subsidiary |
| January 2005 |
Merged with A&D System Co., Ltd. |
| February 2005 |
Listed on the second section of the Tokyo Stock Exchange |
| April 2005 |
Founded A&D Technology Inc. (currently A&D's consolidated subsidiary) |
| June 2005 |
Acquired Kensei Industry stocks to make it a wholly owned A&D subsidiary |
| August 2005 |
Took over the Powertrain technology department of MTS Systems Corporation through A&D Technology Inc |
| March 2006 |
Listed on the first section of the Tokyo Stock Exchange |
| July 2006 |
Founded A&D RUS CO., LTD. (currently A&D's consolidated subsidiary), which will focus on the sales of both A&D medical and A&D weighing products in Russia |
| October 2007 |
Founded A&D Technology Trading(Shanghai) Co.,Ltd.(A&D's consolidated subsidiary) |
| February 2008 |
Founded A&D Instruments India Private limited(A&D's consolidated subsidiary) |
| March 2008 |
Acquired Horon Co., Ltd. stocks(currently A&D's equity method affiliate) |
| August 2008 |
Founded A&D Europe GmbH in Germany |
| October 2008 |
Acquired SUM Electro Mechanics Co., Ltd. stocks to make it a wholly owned A&D subsidiary |
| January 2009 |
Acquired Best Instruments Co., Ltd. stocks to make it a wholly owned A&D subsidiary |