1945
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•Osaka Cement Laboratory is founded.
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1974
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•Sumitomo Cement Central Research Laboratory is established. -- Centers on research for cement and concrete. New business fields research team is established in the Central Laboratory.(1980)
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1982
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•Starts on research for structural ceramic.
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1983
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•Starts on research for functional thin film and optical crystal.
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1984
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•Starts on research for biomaterials.
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•Develops manufacturing technology for fine ceramics.
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•Develops ultrafine powder zirconia.
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•Develops junction technique for metal and ceramics.
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1985
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•Starts on research for bioceramics.
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•Starts on research for ultrafine particle.
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•Develops injection molding technology for ceramics.
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•Manufactures SiC (silicon carbide) ultrafine particle.
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1986
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•Develops ultrafine particle oxide.
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•Approved as manufactory of artificial bone substitute material (BONECERAM).
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1987
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•Develops mass-production technology for zirconia powder.
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•Develops Metal Injection Molding technology.
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•Starts on missioned test of SiC (silicon carbide) (Research Development Corporation of Japan)
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•Optoelectronic Material Laboratory" is established.
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1988
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•Starts on sales of artificial bone substitute material. (Joint project with Sumitomo Pharmaceuticals Co., Ltd.)
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•Starts on development of LN waveguide devices etc.
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1989
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•Starts on development of various optical devices.
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1990
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•Develops technology to make ultrafine particle into coating material.
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• Capital participation in ORTEL Corp., an optical semiconductor device maker, and forms technological and business partnership.
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1991
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•Develops antistatic coating.
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•Develops ultraviolet cut coating.
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1992
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•Develops high-speed LN optical modulator.
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1994
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•Develops antibacterial ceramics.
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•Starts to introduce LN modulator into sea bottom communication system.
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•Renames Sumitomo Osaka Cement Co., Ltd. as a result of merger, new Technology Laboratory is inaugurated.(October 7, 1994)
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1995
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•Develops electromagnetic shield coating.
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•Develops heat ray cut coating and film.
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•Develops ultrafine metallic particle.
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•Starts to introduce LN modulator into land communication system.
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1996
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•Develops wavelength pursuit filter.
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1997
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•Ichikawa plant (large-scale HP) is completed.
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•Develops antibacterial agent for metal and glass.
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•Puts modulator for CATV into practical use.
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•Develops LN 40 Gb/s optical modulator.
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1999
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•Starts on integration of LN modulator.
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