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This is the expense the company spent on research and development. Corning Inc's research and development for the three months ended in Mar. 2015 was $189 Mil. Its research and development for the trailing twelve months (TTM) ended in Mar. 2015 was $806 Mil.
This is the expense the company spent on research and development.
Corning Inc Research & Development for the trailing twelve months (TTM) ended in Mar. 2015 was 208 (Jun. 2014 ) + 199 (Sep. 2014 ) + 210 (Dec. 2014 ) + 189 (Mar. 2015 ) = $806 Mil.
If competitive advantage is created by a patent or tech advantage, at some point it will disappear.
High R&D usually dictates high SG&A which threatens the competitive advantage.
Corning Inc Annual Data
|Research & Development||443||517||565||627||563||603||671||769||710||815|
Corning Inc Quarterly Data
|Research & Development||218||178||179||184||169||198||208||199||210||189|