Patent 11073655 was granted and assigned to Sumitomo Electric Industries on July, 2021 by the United States Patent and Trademark Office.
An optical fiber includes a glass fiber that includes a core and a cladding and a coating resin layer that coats the glass fiber by being in contact with the glass fiber. The coating resin layer includes a cured material of an ultraviolet ray curable resin composition having a dissolved oxygen concentration of greater than or equal to 8.5 mg/L.