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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 Dec. 2013 was $169 Mil. Its research and development for the trailing twelve months (TTM) ended in Dec. 2013 was $710 Mil.
This is the expense the company spent on research and development.
Corning Inc Research & Development for the trailing twelve months (TTM) ended in Dec. 2013 was 178 (Mar. 2013 ) + 179 (Jun. 2013 ) + 184 (Sep. 2013 ) + 169 (Dec. 2013 ) = $710 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||355||443||517||565||627||563||603||671||769||710|
Corning Inc Quarterly Data
|Research & Development||166||177||184||185||182||218||178||179||184||169|