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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. 2016 was $173 Mil. Its research and development for the trailing twelve months (TTM) ended in Dec. 2016 was $742 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. 2016 was 190 (Mar. 2016 ) + 192 (Jun. 2016 ) + 187 (Sep. 2016 ) + 173 (Dec. 2016 ) = $742 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||565||627||563||603||668||769||710||815||769||742|
Corning Inc Quarterly Data
|Research & Development||199||210||189||191||181||208||190||192||187||173|