| 1946～ |
| 1946 |
Sankyo Seiki Mfg.establised as an individual enterprise. |
| 1947 |
Reorganized as a yugen kaisha (small-size limited liability company). |
1948 |
Sankyo completed prototype musical movement in Japan. |
1950 |
Structure set up for mass production of musical movements.Sales began. |
| 1951 |
Tokyo Branch Office established. |
| 1953 |
Osaka Branch Office eatablished. Reorganized as Sankyo Seiki Mfg.Co.,Ltd. |
| 1957 |
Shimosuwa Plant began operation. New York Representative Office opened.
Production of 8mm cameras and projectors commenced. |
| 1959 |
Nagoya Branch Office established.
Production and sales of time switches and micromotors began. |
| 1961 |
Stock listed on the Second Section of the Tokyo Stock Exchange.
Paid-in capital was ￥530 million. |
| 1962 |
Stock listed on the First Section of the Tokyo Stock Exchange.
European Representative Office opened in West Germeny.
Sales of precision machine tools began. |
| 1963 |
Production of tape recorders commenced. |
| 1965 |
Production and sales of level meters began. |
| 1968 |
Magnetic heads for AV equipment and digital clocks developed. |
| 1969 |
Nagoya Branch Office became Branch. |
| 1970 |
Hong Kong Representative Office opened.
Development of numerically controlled machines and assembly began. |
1971 |
Multiple wavelength data recorder Sankyo SANAC developed.
Began production of magnetic card readers. |
| 1975 |
Taiwan Tenlon Co.,Ltd.established(now : Nidec Sankyo Taiwan Corporation) . |
| 1976 |
Awarded a Deming Prize for TQC program. |
| 1978 |
Sankyo Seiki (Shingapore)Pte.Ltd. established.
Development completed for cassette deck mechanisms. |
| 1979 |
2.5-inch microdisk drives and direct-drive motors for cassette decks developed. |
| 1980 |
Machine tools for numerically controlled machinery developed. |
| 1981 |
Production and sales of SKILAM assembly robots began. |
| 1982 |
Sales of stepping motors began. |
| 1985 |
ORPHEUS, a 50-note deluxe music box, introduced first in Japan.
Production of clean room robot began. |
| 1986 |
Optical pickup units developed. |
1988 |
Development of a SANVIC standard motor for VCRs. |
| 1990 |
Sankyo Precision (Malaysia)Sdn.Bhd.established.
Entered the robot business in the United States and Europe with IBM Corp. |
| 1993 |
Sales of an AC servo system for use in industrial machines began.
ROBODOC, a world-first surgical robot,developed. |
| 1994 |
Air dynamic bearing motors for scanners commercialized. |
| 1995 |
Sankyo Electronics(Shaoguan)Co.,Ltd.,and Sankyo Seiki(Fuzhou)Co.,Ltd.are established.
An 80-note disc music box,and LCD panel handling robot developed. |
| 1997 |
Developed a fluid dynamic bearing motor for HDDs. |
2000～ |
| 2000 |
Sankyo Seiki(Shanghai)Co.,Ltd.established.
Production of stepping motors (φ6)began. |
| 2001 |
Sankyo Seiki (Shenzhen)Co.,Ltd. and Sankyo Seiki(Hong Kong)Co., Ltd.,Shilong Factory are established.
Developed a water flow generator and Web Site of Ringing Tunes,"Orgel Hompo." |
| 2002 |
Miniature magnetic levitation motors developed.
Mass production of diffraction optical elements using die molding achieved.
Magnetic sensors for external sale developed. |
| 2003 |
Nidec Corporation becomes majority shareholder.Sankyo Seiki joins Nidec's corporate group. Large volume of orders received for trasport robots for seventh generation LCD glass substrates.
Mass production of DVD recorder optical pickups begins. |
| 2004 |
Sankyo Seiki(Korea)Co.,Ltd. established.
Transport robots for eighth generation LCD glass substrates developed.
PT.NIDEC SANKYO INDONESIA established . |
| 2005 |
NIDEC SANKYO (ZHEJIANG) CORPORATION established.
NIDEC SANKYO VIETNAM CORPORATION established.
The company name was changed to NIDEC SANKYO CORPORATION.
NIDEC SANKYO DO BRASIL LTDA.established. |
| 2006 |
Sales of particle monitors begins.
Mass production of lens actuators for mobile phone begins. |
| 2007 |
Sales of solar cell glass substrate handling robots begins. |
