- 1945
- Takefu Plant Established.
- 1960
- Metallic Production Laboratory Established. (The predecessor of Magnetic Materials Research Center.)
- 1961
- R&D for Rare Earth start.
- 1963
- Start of research by the Metallic Production Laboratory into methods of manufacturing Yttrium for red fluorescent.
- 1967
- Volume Production of Rare Earth Separation & Purification start.
Production of high-purity yttrium starts at Takefu Plant. - 1969
- Start of samarium production.
- 1970
- Start of research into rare earth magnets.
- 1971
- Rare earth solvent extraction pilot plant starts production of gadolinium, samarium and europium.
- 1972
- Contract signed with Matsushita Electric Industrial Co. Ltd. for using CeCo 1-5 magnet patents.
Start of production of sample CeCo 1-5 magnets. - 1974
- Development of SmCo 2-17 magnets.
Commercialization of two types of magnets, cerium and samarium. - 1976
- Establishment of Magnet Business Department in New Metal Business Division.
SmCo Magnet volume Production start in Japan. (This is the first commercial production in the world.) - 1977
- Establishment of Magnetic Materials Research Center.
- 1983
- Start of mass production of VCM magnet for HDD.
- 1984
- Start of Asahi Branch Plant.
- 1985
- Start of trail production of NdFeB magnets.
- 1986
- NdFeB Magnet volume Production start in Japan.
Establishment of technology for nickel plating NdFeB magnets. - 1987
- Built rare earth Solvent Extraction Mass Production Plant.
- 1988
- Asahi Branch Plant plating line start.
Established Shin-Etsu Malaysia, Sdn. Bhd. - 1990
- N40 magnets series go on sale.
- 1992
- Binary Alloy Method applied to Mass production.
- 1994
- N45 magnets series go on sale.
Automatic forming and heat-treatment line start. - 1997
- Start of magnet circuit assembly in Asahi Branch Plant.
- 1998
- Fully-automated rare earth magnets manufacturing plant start.
- 1999
- N48 magnets series go on sale.
Shin-Etsu Magnetics Philippines Inc. (SMP) start. - 2000
- N50 magnets series go on sale.
- 2001
- N52 magnets series go on sale.
- 2004
- Grain Boundary Diffusion Process (GBDP) Development.
- 2006
- Shin-Etsu Magnetics (Thailand) Ltd. start.
Asahi Branch Plant Automatic Machining process start. - 2007
- Built up Recycle Plant in Japan.
- 2008
- N-series magnets GBDP production start.
Recycle Operation start in Japan (Fukui Branch Plant).
Shin-Etsu Technology (Suzhou) Co., Ltd. start. - 2012
- N-series magnets GBDP mass production start in Asahi Branch Plant.
- 2013
- Shin-Etsu Magnetic Materials Vietnam Co., Ltd. start recycle operation.
Shin-Etsu (Changting) Technology Co., Ltd. start
Increase machining process capacity in Asahi Branch Plant. - 2016
- Magnet Block process start in Vietnam.
- 2019
- Magnet Machining process start in Vietnam.
- 2022
- Increase Machining process capacity in Asahi Branch Plant.
- 2023
- Increase Magnet Block and Machining process capacity in Vietnam.
SMP plant Solar power system start. - 2024
- Increase Machining process capacity in Vietnam.
- 2025
- Increase Magnet Block process capacity in Takefu.
Asahi Branch Plant Solar power system start
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