Inventor
KAWASAKI KIICHIRO
JP4 patents
Patents
4 patentsUS6681072B2Jan 20, 2004
Optical fiber, method of making optical fiber preform, and method of making optical fiber
SUMITOMO ELECTRIC INDUSTRIES9 citations71
US6892019B2May 10, 2005
Optical fiber, method of making optical fiber preform, and method of making optical fiber
SUMITOMO ELECTRIC INDUSTRIES3 citations60
US7886561B2Feb 15, 2011
Method for drawing glass parent material and drawing machine for use therein
SUMITOMO ELECTRIC INDUSTRIES2 citations59
US11269138B2Mar 8, 2022
Single mode optical fiber and manufacturing method thereof
SUMITOMO ELECTRIC INDUSTRIES0 citations46