Inventor
HATAYAMA KAZUHISA
JP6 patents
Patents
6 patentsUS6386001B1May 14, 2002
Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction
SHINETSU CHEMICAL CO44 citations95
US6779362B2Aug 24, 2004
Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod
SHINETSU CHEMICAL CO7 citations73
US7213416B2May 8, 2007
Glass base material producing device
SHINETSU CHEMICAL CO2 citations62
US6848276B2Feb 1, 2005
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus
SHINETSU CHEMICAL CO1 citations62
US6698240B1Mar 2, 2004
Apparatus for manufacturing glass base material and a method for manufacturing glass base material
SHINETSU CHEMICAL CO4 citations61
US7823418B2Nov 2, 2010
Method of making glass base material
SHINETSU CHEMICAL CO0 citations51